cmake: fix dlopen example

Co-authored-by: jll63 <5083077+jll63@users.noreply.github.com>

.github/workflows/ci.yml

@@ -123,5 +123,5 @@ jobs:
           path: doc/html
 
       - name: Deploy to GitHub Pages (jll63)
-        if: matrix.os == 'ubuntu-latest' && github.repository_owner == 'jll63' && github.ref_name == 'feature/doc'
+        if: matrix.os == 'ubuntu-latest' && github.repository_owner == 'jll63'
         uses: actions/deploy-pages@v4

CMakeLists.txt

@@ -37,10 +37,35 @@ set(__ignore__ ${CMAKE_C_COMPILER})
 # Options
 #
 #-------------------------------------------------
-option(BOOST_OPENMETHOD_BUILD_TESTS "Build boost::openmethod tests even if BUILD_TESTING is OFF" OFF)
-option(BOOST_OPENMETHOD_BUILD_EXAMPLES "Build boost::openmethod examples" ${BOOST_OPENMETHOD_IS_ROOT})
-option(BOOST_OPENMETHOD_MRDOCS_BUILD "Build the target for MrDocs: see mrdocs.yml" OFF)
-option(BOOST_OPENMETHOD_WARNINGS_AS_ERRORS "Treat warnings as errors" OFF)
+
+option(
+    BOOST_OPENMETHOD_BUILD_TESTS
+    "Build boost::openmethod tests even if BUILD_TESTING is OFF"
+    ${BOOST_OPENMETHOD_IS_ROOT})
+
+if (BUILD_TESTING)
+    set(BOOST_OPENMETHOD_BUILD_TESTS ON)
+endif ()
+
+option(
+    BOOST_OPENMETHOD_BUILD_EXAMPLES
+    "Build boost::openmethod examples"
+    ${BOOST_OPENMETHOD_IS_ROOT})
+option(
+    BOOST_OPENMETHOD_MRDOCS_BUILD
+    "Build the target for MrDocs: see mrdocs.yml"
+    OFF)
+option(
+    BOOST_OPENMETHOD_WARNINGS_AS_ERRORS
+    "Treat warnings as errors"
+    OFF)
+
+if (BOOST_OPENMETHOD_BUILD_EXAMPLES AND NOT BOOST_OPENMETHOD_BUILD_TESTS)
+    message(
+        WARNING
+        "BOOST_OPENMETHOD_BUILD_EXAMPLES requires BOOST_OPENMETHOD_BUILD_TESTS. Examples will not be built.")
+    set(BOOST_OPENMETHOD_BUILD_EXAMPLES OFF)
+endif()
 
 # Check if environment variable BOOST_SRC_DIR is set
 if (NOT DEFINED BOOST_SRC_DIR AND DEFINED ENV{BOOST_SRC_DIR})
@@ -77,9 +102,9 @@ endforeach ()
 if (NOT BOOST_OPENMETHOD_MRDOCS_BUILD)
     if (BUILD_TESTING OR BOOST_OPENMETHOD_BUILD_TESTS)
         set(BOOST_OPENMETHOD_UNIT_TEST_LIBRARIES test)
-    endif()
-    if (BOOST_OPENMETHOD_BUILD_EXAMPLES)
-        set(BOOST_OPENMETHOD_EXAMPLE_LIBRARIES dll)
+        if (BOOST_OPENMETHOD_BUILD_EXAMPLES)
+            set(BOOST_OPENMETHOD_EXAMPLE_LIBRARIES dll)
+        endif()
     endif()
 endif()
 # Complete dependency list
@@ -175,20 +200,15 @@ endif()
 # Tests
 #
 #-------------------------------------------------
-if (BUILD_TESTING OR BOOST_OPENMETHOD_BUILD_TESTS)
+if (BOOST_OPENMETHOD_BUILD_TESTS)
     enable_testing()
     add_subdirectory(test)
     if (BOOST_OPENMETHOD_IS_ROOT)
         add_custom_target(all_with_tests ALL DEPENDS tests)
     endif()
-endif ()
 
-#-------------------------------------------------
-#
-# Examples
-#
-#-------------------------------------------------
-if (BOOST_OPENMETHOD_BUILD_EXAMPLES)
-    enable_testing()
-    add_subdirectory(doc/modules/ROOT/examples)
+    # Examples
+    if (BOOST_OPENMETHOD_BUILD_EXAMPLES)
+        add_subdirectory(doc/modules/ROOT/examples)
+    endif ()
 endif ()

doc/antora.yml

@@ -21,11 +21,6 @@ ext:
   cpp-reference:
     config: doc/mrdocs.yml
   cpp-tagfiles:
-    files:
-      - file: ./doc/tagfiles/boost-openmethod-doxygen.tag.xml
-        base_url: 'xref:reference:'
-      - file: ./doc/tagfiles/boost-openmethod-macros-doxygen.tag.xml
-        base_url: 'xref:reference:'
     using-namespaces:
       - boost::openmethod
       - boost::openmethod::policies

doc/build_antora.sh

@@ -6,7 +6,7 @@
 # Distributed under the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 #
-# Official repository: https://github.com/boostorg/openmethod
+# Official REPOSITORY: https://github.com/boostorg/openmethod
 #
 
 set -e
@@ -22,6 +22,52 @@ fi
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 cd "$SCRIPT_DIR"
 
+if [ -z "${BOOST_SRC_DIR:-}" ]; then
+  CANDIDATE=$( cd "$SCRIPT_DIR/../../.." 2>/dev/null && pwd )
+  if [ -n "$CANDIDATE" ]; then
+    BOOST_SRC_DIR_IS_VALID=ON
+    for F in "CMakeLists.txt" "Jamroot" "boost-build.jam" "bootstrap.sh" "libs"; do
+      if [ ! -e "$CANDIDATE/$F" ]; then
+        BOOST_SRC_DIR_IS_VALID=OFF
+        break
+      fi
+    done
+    if [ "$BOOST_SRC_DIR_IS_VALID" = "ON" ]; then
+      export BOOST_SRC_DIR="$CANDIDATE"
+      echo "Using BOOST_SRC_DIR=$BOOST_SRC_DIR"
+    fi
+  fi
+fi
+
+if [ -n "${BOOST_SRC_DIR:-}" ]; then
+  if [ -n "${CIRCLE_REPOSITORY_URL:-}" ]; then
+    if [[ "$CIRCLE_REPOSITORY_URL" =~ boostorg/boost(\.git)?$ ]]; then
+      LIB="$(basename "$(dirname "$SCRIPT_DIR")")"
+      REPOSITORY="boostorg/${LIB}"
+    else
+      ACCOUNT="${CIRCLE_REPOSITORY_URL#*:}"
+      ACCOUNT="${ACCOUNT%%/*}"
+      LIB=$(basename "$(git rev-parse --show-toplevel)")
+      REPOSITORY="${ACCOUNT}/${LIB}"
+    fi
+    SHA=$(git -C "$BOOST_SRC_DIR/libs" ls-tree HEAD | grep -w openmethod | awk '{print $3}')
+  elif [ -n "${GITHUB_REPOSITORY:-}" ]; then
+    REPOSITORY="${GITHUB_REPOSITORY}"
+    SHA="${GITHUB_SHA}"
+  fi
+fi
+
+cd "$SCRIPT_DIR"
+
+if [ -n "${REPOSITORY}" ] && [ -n "${SHA}" ]; then
+  base_url="https://github.com/${REPOSITORY}/blob/${SHA}"
+  echo "Setting base-url to $base_url"
+  cp mrdocs.yml mrdocs.yml.bak
+  perl -i -pe 's{^\s*base-url:.*$}{base-url: '"$base_url/"'}' mrdocs.yml
+else
+  echo "REPOSITORY or SHA not set; skipping base-url modification"
+fi
+
 echo "Building documentation with Antora..."
 echo "Installing npm dependencies..."
 npm ci
@@ -29,7 +75,7 @@ npm ci
 echo "Building docs in custom dir..."
 PATH="$(pwd)/node_modules/.bin:${PATH}"
 export PATH
-npx antora --clean --fetch "$PLAYBOOK" --stacktrace --log-level all
+npx antora --clean --fetch "$PLAYBOOK" --stacktrace # --log-level all
 
 echo "Fixing links to non-mrdocs URIs..."
 
@@ -37,4 +83,15 @@ for f in $(find html -name '*.html'); do
   perl -i -pe 's{&lcub;&lcub;(.*?)&rcub;&rcub;}{<a href="../../../$1.html">$1</a>}g' "$f"
 done
 
+if [ -n "${base_url:-}" ]; then
+  if [ -f mrdocs.yml.bak ]; then
+    mv -f mrdocs.yml.bak mrdocs.yml
+    echo "Restored original mrdocs.yml"
+  else
+    echo "mrdocs.yml.bak not found; skipping restore"
+  fi
+  perl -i -pe "s[{{BASE_URL}}][$base_url]g" \
+    html/openmethod/ref_headers.html html/openmethod/BOOST_OPENMETHOD*.html
+fi
+
 echo "Done"

doc/introduction.adoc

@@ -1,67 +0,0 @@
-
-# Introduction
-
-Open-methods are similar to virtual functions, but they are not required to be
-members of a class. By being both free and virtual, they provide a solution to
-the Expression Problem:
-
-> Given a set of types, and a set of operations on these types, is it possible
-to add new operations on the existing types, and new types to the existing
-operations, without modifying existing code?
-
-Open-methods also address the banana-gorilla-shared problem:
-
-> The problem with object-oriented languages is they’ve got all this implicit
-environment that they carry around with them. You wanted a banana but what you
-got was a gorilla holding the banana and the entire shared.  — Joe Armstrong,
-creator of Erlang progamming language
-
-As a bonus, open-methods can take more than one argument into account when
-selecting the appropriate function to call - aka multiple dispatch. For that
-reason, open-methods are often called multi-methods, but that term is
-misleading, as it suggests that the feature is useful only when multiple
-dispatch is needed. In reality,
-https://openaccess.wgtn.ac.nz/articles/thesis/Multiple_Dispatch_in_Practice/16959112/1[it
-has been observed] that, in large systems written in languages that support
-multi-methods, most methods use single-dispatch. The real benefit is in the
-solution to the Expression Problem.
-
-Open-methods were introduced by the Common Lisp Object System, and they are
-native to many languages: Clojure, Julia, Dylan, TADS, Cecil, Diesel, Nice, etc.
-Bjarne Stroustrup wanted open-methods in C++ almost from the beginning. In D&E
-he writes:
-
-> I repeatedly considered a mechanism for a virtual function call based on more
-than one object, often called multi-methods. I rejected multi-methods with
-regret because I liked the idea, but couldn’t find an acceptable form under
-which to accept it. [...] Multi-methods is one of the interesting what-ifs of
-C++. Could I have designed and implemented them well enough at the time? Would
-their applications have been important enough to warrant the effort? What other
-work might have been left undone to provide the time to design and implement
-multi-methods? Since about 1985, I have always felt some twinge of regret for
-not providing multi-methods (Stroustrup, 1994, The Design and Evolution of
-C{plus}{plus}, 13.8).
-
-Circa 2007, he and his PhD students Peter Pirkelbauer and Yuriy Solodkyy wrote a
-series of papers and a prototype implementation based on the EDG compiler.
-Unfortunately, open-methods never made it into the standard. Stroustrup bemoans,
-in a more recent paper:
-
-> In retrospect, I don’t think that the object-oriented notation (e.g., x.f(y))
-should ever have been introduced. The traditional mathematical notation f(x,y)
-is sufficient. As a side benefit, the mathematical notation would naturally have
-given us multi-methods, thereby saving us from the visitor pattern workaround
-(Stroustrup, 2020, Thriving in a Crowded and ChangingWorld: C++ 2006–2020).
-
-This library implements the features described in the
-http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2216.pdf[N2216 paper],
-with some extensions:
-
-* a mechanism for calling the next most specialized overrider
-
-* support for smart pointers
-
-* customization points for RTTI, error handling, tracing, smart pointers...
-
-Multiple and virtual inheritance are supported, with the exception of repeated
-inheritance.

doc/modules/ROOT/examples/rolex/1/employee.cpp

@@ -14,5 +14,5 @@ BOOST_OPENMETHOD_OVERRIDE(
     return 5000.0;
 }
 
-BOOST_OPENMETHOD_CLASSES(Employee)
+BOOST_OPENMETHOD_CLASSES(Employee);
 // end::content[]

doc/modules/ROOT/examples/rolex/1/salesman.cpp

@@ -14,6 +14,6 @@ BOOST_OPENMETHOD_OVERRIDE(
     return next(emp) + emp->sales * 0.05; // base + commission
 }
 
-BOOST_OPENMETHOD_CLASSES(Employee, Salesman)
+BOOST_OPENMETHOD_CLASSES(Employee, Salesman);
 
 // end::content[]

doc/modules/ROOT/examples/rolex/2/employee.cpp

@@ -12,5 +12,5 @@ BOOST_OPENMETHOD_DEFINE_OVERRIDER(
     return 5000.0;
 }
 
-BOOST_OPENMETHOD_CLASSES(Employee)
+BOOST_OPENMETHOD_CLASSES(Employee);
 // end::content[]

doc/modules/ROOT/examples/rolex/2/salesman.cpp

@@ -16,4 +16,4 @@ BOOST_OPENMETHOD_OVERRIDE(
 }
 // end::content[]
 
-BOOST_OPENMETHOD_CLASSES(Employee, Salesman)
+BOOST_OPENMETHOD_CLASSES(Employee, Salesman);

doc/modules/ROOT/examples/rolex/3/employee.cpp

@@ -7,5 +7,5 @@
 #include "roles.hpp"
 #include <boost/openmethod.hpp>
 
-BOOST_OPENMETHOD_CLASSES(Employee)
+BOOST_OPENMETHOD_CLASSES(Employee);
 // end::content[]

doc/modules/ROOT/examples/rolex/3/salesman.cpp

@@ -16,4 +16,4 @@ BOOST_OPENMETHOD_OVERRIDE(
 }
 // end::content[]
 
-BOOST_OPENMETHOD_CLASSES(Employee, Salesman)
+BOOST_OPENMETHOD_CLASSES(Employee, Salesman);

doc/modules/ROOT/examples/rolex/4/employee.cpp

@@ -7,5 +7,5 @@
 #include "roles.hpp"
 #include <boost/openmethod.hpp>
 
-BOOST_OPENMETHOD_CLASSES(employees::Employee)
+BOOST_OPENMETHOD_CLASSES(employees::Employee);
 // end::content[]

doc/modules/ROOT/examples/rolex/4/salesman.cpp

@@ -17,7 +17,7 @@ BOOST_OPENMETHOD_OVERRIDE(
         emp->sales * 0.05; // base + commission
 }
 
-BOOST_OPENMETHOD_CLASSES(employees::Employee, Salesman)
+BOOST_OPENMETHOD_CLASSES(employees::Employee, Salesman);
 
 } // namespace sales
 // end::content[]

doc/modules/ROOT/examples/rolex/5/main.cpp

@@ -71,7 +71,7 @@ BOOST_OPENMETHOD_OVERRIDE(
 }
 
 // ...and let's not forget to register the classes
-BOOST_OPENMETHOD_CLASSES(Employee, Salesman)
+BOOST_OPENMETHOD_CLASSES(Employee, Salesman);
 // end::overriders[]
 
 // tag::main[]

doc/modules/ROOT/examples/rolex/6/main.cpp

@@ -66,7 +66,7 @@ BOOST_OPENMETHOD_OVERRIDE(
 }
 
 // ...and let's not forget to register the classes
-BOOST_OPENMETHOD_CLASSES(Employee, Salesman)
+BOOST_OPENMETHOD_CLASSES(Employee, Salesman);
 // end::overriders[]
 
 // tag::main[]

doc/modules/ROOT/examples/shared_libs/CMakeLists.txt

@@ -12,7 +12,10 @@ add_compile_definitions(BOOST_OPENMETHOD_ENABLE_RUNTIME_CHECKS)
 
 add_library(boost_openmethod-shared SHARED extensions.cpp)
 target_link_libraries(boost_openmethod-shared Boost::openmethod)
-set_target_properties(boost_openmethod-shared PROPERTIES ENABLE_EXPORTS ON)
+set_target_properties(boost_openmethod-shared PROPERTIES
+    ENABLE_EXPORTS ON
+    OUTPUT_NAME shared
+)
 
 add_executable(boost_openmethod-static static_main.cpp)
 target_link_libraries(boost_openmethod-static Boost::openmethod Boost::dll boost_openmethod-shared)
@@ -36,7 +39,10 @@ add_library(boost_openmethod-indirect_shared SHARED indirect_extensions.cpp)
 target_compile_definitions(
     boost_openmethod-indirect_shared PUBLIC BOOST_OPENMETHOD_DEFAULT_REGISTRY=indirect_registry)
 target_link_libraries(boost_openmethod-indirect_shared PRIVATE Boost::openmethod Boost::dll)
-set_target_properties(boost_openmethod-indirect_shared PROPERTIES ENABLE_EXPORTS ON)
+set_target_properties(boost_openmethod-indirect_shared PROPERTIES
+    ENABLE_EXPORTS ON
+    OUTPUT_NAME indirect_shared
+)
 
 add_executable(boost_openmethod-indirect indirect_main.cpp)
 target_compile_definitions(

doc/modules/ROOT/examples/shared_libs/dynamic_main.cpp

@@ -41,7 +41,7 @@ int main() {
     // end::unload[]
     std::cout << "Before loading the shared library.\n";
 
-    initialize();
+    boost::openmethod::initialize();
 
     std::cout << "cow meets wolf -> "
               << meet(*std::make_unique<Cow>(), *std::make_unique<Wolf>())
@@ -60,7 +60,7 @@ int main() {
     boost::dll::shared_library lib(
         boost::dll::program_location().parent_path() / LIBRARY_NAME,
         boost::dll::load_mode::rtld_now);
-    initialize();
+    boost::openmethod::initialize();
 
     std::cout << "cow meets wolf -> "
               << meet(*std::make_unique<Cow>(), *std::make_unique<Wolf>())
@@ -83,7 +83,7 @@ int main() {
     std::cout << "\nAfter unloading the shared library.\n";
 
     lib.unload();
-    initialize();
+    boost::openmethod::initialize();
 
     std::cout << "cow meets wolf -> "
               << meet(*std::make_unique<Cow>(), *std::make_unique<Wolf>())

doc/modules/ROOT/examples/shared_libs/indirect_main.cpp

@@ -37,7 +37,7 @@ auto main() -> int {
     using namespace boost::openmethod::aliases;
 
     std::cout << "Before loading the shared library.\n";
-    initialize();
+    boost::openmethod::initialize();
 
     auto gracie = make_unique_virtual<Cow>();
     auto willy = make_unique_virtual<Wolf>();
@@ -53,7 +53,7 @@ auto main() -> int {
         boost::dll::program_location().parent_path() / LIBRARY_NAME,
         boost::dll::load_mode::rtld_now);
 
-    initialize();
+    boost::openmethod::initialize();
 
     std::cout << "cow meets wolf -> " << meet(*gracie, *willy) << "\n"; // run
     std::cout << "wolf meets cow -> " << meet(*willy, *gracie) << "\n"; // hunt

doc/modules/ROOT/examples/shared_libs/static_main.cpp

@@ -30,7 +30,7 @@ auto make_tiger() -> Animal*;
 }
 
 auto main() -> int {
-    initialize();
+    boost::openmethod::initialize();
 
     std::unique_ptr<Animal> gracie(new Cow());
     std::unique_ptr<Animal> willy(new Wolf());

doc/modules/ROOT/examples/virtual_ptr_alt/2/virtual_ptr_alt.cpp

@@ -22,7 +22,7 @@ struct Node {
 
 struct Variable : Node {
     Variable(int value) : v(value) {
-        vptr = boost::openmethod::default_registry::static_vptr<Variable>;
+        vptr = registry::static_vptr<Variable>;
     }
 
     int v;
@@ -30,7 +30,7 @@ struct Variable : Node {
 
 struct Plus : Node {
     Plus(const Node& left, const Node& right) : left(left), right(right) {
-        vptr = boost::openmethod::default_registry::static_vptr<Plus>;
+        vptr = registry::static_vptr<Plus>;
     }
 
     const Node& left;
@@ -39,7 +39,7 @@ struct Plus : Node {
 
 struct Times : Node {
     Times(const Node& left, const Node& right) : left(left), right(right) {
-        vptr = boost::openmethod::default_registry::static_vptr<Times>;
+        vptr = registry::static_vptr<Times>;
     }
 
     const Node& left;

doc/modules/ROOT/nav.adoc

@@ -1,11 +1,12 @@
-* xref:introduction.adoc[Introduction]
-* xref:basics.adoc[Open-Methods 101]
-* xref:performance.adoc[Performance]
-* xref:smart_pointers.adoc[Smart Pointers]
-* xref:headers.adoc[Headers]
-* xref:namespaces.adoc[Namespaces]
-* xref:friendship.adoc[Friendship]
-* xref:multiple_dispatch.adoc[Multiple Dispatch]
+* xref:motivation.adoc[Motivation]
+* Basic Features
+** xref:basics.adoc[Methods and Overriders]
+** xref:performance.adoc[Performance]
+** xref:smart_pointers.adoc[Smart Pointers]
+** xref:headers.adoc[Header and Implementation Files]
+** xref:namespaces.adoc[Namespaces]
+** xref:friends.adoc[Friends]
+** xref:multiple_dispatch.adoc[Multiple Dispatch]
 * Advanced Features
 ** xref:core_api.adoc[Core API]
 ** xref:registries_and_policies.adoc[Registries and Policies]

doc/modules/ROOT/pages/BOOST_OPENMETHOD.adoc

@@ -1,15 +1,15 @@
 
-= BOOST_OPENMETHOD
+# BOOST_OPENMETHOD
 
-### Synopsis
+## Synopsis
 
-Defined in <boost/openmethod/macros.hpp>.
+Defined in link:{{BASE_URL}}/include/boost/openmethod/macros.hpp[<boost/openmethod/macros.hpp>].
 
 ```c++
 BOOST_OPENMETHOD(ID, (PARAMETERS...), RETURN_TYPE [, REGISTRY]);
 ```
 
-### Description
+## Description
 
 Declares a method, called `ID`, with the given `PARAMETERS` and `RETURN_TYPE`,
 and adds it to `REGISTRY`.
@@ -58,7 +58,7 @@ NOTE: The default value for `REGISTRY` is the value of
 `BOOST_OPENMETHOD_DEFAULT_REGISTRY` at the point `<boost/openmethod/core.hpp>` is
 included. Changing the value of this symbol has no effect after that point.
 
-### Implementation Notes
+## Implementation Notes
 
 The macro creates several additional constructs:
 

doc/modules/ROOT/pages/BOOST_OPENMETHOD_CLASSES.adoc

@@ -1,17 +1,14 @@
+# BOOST_OPENMETHOD_CLASSES
 
-[#BOOST_OPENMETHOD_CLASSES]
+## Synopsis
 
-## BOOST_OPENMETHOD_CLASSES
-
-### Synopsis
-
-Defined in <boost/openmethod/macros.hpp>.
+Defined in link:{{BASE_URL}}/include/boost/openmethod/macros.hpp[<boost/openmethod/macros.hpp>].
 
 ```c++
 BOOST_OPENMETHOD_CLASSES(CLASSES...[, REGISTRY]);
 ```
 
-### Description
+## Description
 
 Registers `CLASSES` in REGISTRY.
 

doc/modules/ROOT/pages/BOOST_OPENMETHOD_DECLARE_OVERRIDER.adoc

@@ -1,15 +1,14 @@
+# BOOST_OPENMETHOD_DECLARE_OVERRIDER
 
-## BOOST_OPENMETHOD_DECLARE_OVERRIDER
+## Synopsis
 
-### Synopsis
-
-Defined in <boost/openmethod/macros.hpp>.
+Defined in link:{{BASE_URL}}/include/boost/openmethod/macros.hpp[<boost/openmethod/macros.hpp>].
 
 ```c++
 #define BOOST_OPENMETHOD_DECLARE_OVERRIDER(NAME, (PARAMETERS...), RETURN_TYPE)
 ```
 
-### Description
+## Description
 
 Declares an overrider for a method, but does not start its definition. This
 macro can be used in header files.
@@ -33,7 +32,7 @@ Each `virtual_<T>` in the method's parameter list must have a corresponding `U`
 parameter in the same position in the overrider's parameter list, such that `U`
 is the same as `T`, or has `T` as an accessible unambiguous base.
 
-### Implementation Notes
+## Implementation Notes
 
 The macro creates additional entities in the current scope.
 

doc/modules/ROOT/pages/BOOST_OPENMETHOD_DEFAULT_REGISTRY.adoc

@@ -1,4 +1,4 @@
-= xref:macros.adoc[Macro] BOOST_OPENMETHOD_DEFAULT_REGISTRY
+# BOOST_OPENMETHOD_DEFAULT_REGISTRY
 
 Default value for Registry
 

doc/modules/ROOT/pages/BOOST_OPENMETHOD_DEFINE_OVERRIDER.adoc

@@ -1,15 +1,15 @@
 
-## BOOST_OPENMETHOD_DEFINE_OVERRIDER
+# BOOST_OPENMETHOD_DEFINE_OVERRIDER
 
-### Synopsis
+## Synopsis
 
-Defined in <boost/openmethod/macros.hpp>.
+Defined in link:{{BASE_URL}}/include/boost/openmethod/macros.hpp[<boost/openmethod/macros.hpp>].
 
 ```c++
 #define BOOST_OPENMETHOD_DEFINE_OVERRIDER(ID, (PARAMETERS...), RETURN_TYPE)
 ```
 
-### Description
+## Description
 
 Defines the body of an overrider declared with
 xref:BOOST_OPENMETHOD_DECLARE_OVERRIDER.adoc[BOOST_OPENMETHOD_DECLARE_OVERRIDER].

doc/modules/ROOT/pages/BOOST_OPENMETHOD_ENABLE_RUNTIME_CHECKS.adoc

@@ -1,13 +1,13 @@
 
-## BOOST_OPENMETHOD_ENABLE_RUNTIME_CHECKS
+# BOOST_OPENMETHOD_ENABLE_RUNTIME_CHECKS
 
 Enables runtime checks in cpp:default_registry[].
 
-### Synopsis
+## Synopsis
 
 May be defined by a program before including
 `<boost/openmethod/default_registry.hpp>` to enable runtime checks.
 
-### Description
+## Description
 
 See cpp:default_registry[] for details.

doc/modules/ROOT/pages/BOOST_OPENMETHOD_ID.adoc

@@ -1,17 +1,15 @@
 
-[#BOOST_OPENMETHOD_ID]
+# BOOST_OPENMETHOD_ID
 
-## BOOST_OPENMETHOD_ID
+## Synopsis
 
-### Synopsis
-
-Defined in <boost/openmethod/macros.hpp>.
+Defined in link:{{BASE_URL}}/include/boost/openmethod/macros.hpp[<boost/openmethod/macros.hpp>].
 
 ```c++
 #define BOOST_OPENMETHOD_ID(ID) /* unspecified */
 ```
 
-### Description
+## Description
 
 Generates a long, obfuscated name from a short name. All the other names
 generated by macros are based on this name.

doc/modules/ROOT/pages/BOOST_OPENMETHOD_INLINE_OVERRIDE.adoc

@@ -1,11 +1,8 @@
+# BOOST_OPENMETHOD_INLINE_OVERRIDE
 
-[#BOOST_OPENMETHOD_INLINE_OVERRIDE]
+## Synopsis
 
-## BOOST_OPENMETHOD_INLINE_OVERRIDE
-
-### Synopsis
-
-Defined in <boost/openmethod/macros.hpp>.
+Defined in link:{{BASE_URL}}/include/boost/openmethod/macros.hpp[<boost/openmethod/macros.hpp>].
 
 ```c++
 BOOST_OPENMETHOD_INLINE_OVERRIDE(ID, (PARAMETERS...), RETURN_TYPE) {
@@ -13,7 +10,7 @@ BOOST_OPENMETHOD_INLINE_OVERRIDE(ID, (PARAMETERS...), RETURN_TYPE) {
 }
 ```
 
-### Description
+## Description
 
 `BOOST_OPENMETHOD_INLINE_OVERRIDE` performs the same function as
 xref:BOOST_OPENMETHOD_OVERRIDE.adoc[BOOST_OPENMETHOD_OVERRIDE], except that the

doc/modules/ROOT/pages/BOOST_OPENMETHOD_OVERRIDE.adoc

@@ -1,11 +1,9 @@
 
-[#BOOST_OPENMETHOD_OVERRIDE]
+# BOOST_OPENMETHOD_OVERRIDE
 
-## BOOST_OPENMETHOD_OVERRIDE
+## Synopsis
 
-### Synopsis
-
-Defined in <boost/openmethod/macros.hpp>.
+Defined in link:{{BASE_URL}}/include/boost/openmethod/macros.hpp[<boost/openmethod/macros.hpp>].
 
 ```c++
 BOOST_OPENMETHOD_OVERRIDE(ID, (PARAMETERS...), RETURN_TYPE) {
@@ -13,7 +11,7 @@ BOOST_OPENMETHOD_OVERRIDE(ID, (PARAMETERS...), RETURN_TYPE) {
 }
 ```
 
-### Description
+## Description
 
 `BOOST_OPENMETHOD_OVERRIDE` adds an overrider to a method.
 
@@ -48,7 +46,7 @@ and terminates the program.
 
 * `has_next()`: returns `true` if the next most specialized overrider exists.
 
-### Implementation Notes
+## Implementation Notes
 
 The macro creates additional entities in the current scope.
 

doc/modules/ROOT/pages/BOOST_OPENMETHOD_OVERRIDER.adoc

@@ -1,15 +1,15 @@
 
-## BOOST_OPENMETHOD_OVERRIDER
+# BOOST_OPENMETHOD_OVERRIDER
 
-### Synopsis
+## Synopsis
 
-Defined in <boost/openmethod/macros.hpp>.
+Defined in link:{{BASE_URL}}/include/boost/openmethod/macros.hpp[<boost/openmethod/macros.hpp>].
 
 ```c++
 #define BOOST_OPENMETHOD_OVERRIDER(ID, (PARAMETERS...), RETURN_TYPE)
 ```
 
-### Description
+## Description
 
 Expands to the specialization of the class template that contains the overrider
 for with the given name, parameter list and return type.

doc/modules/ROOT/pages/BOOST_OPENMETHOD_OVERRIDERS.adoc

@@ -1,16 +1,16 @@
 
-## BOOST_OPENMETHOD_OVERRIDERS
+# BOOST_OPENMETHOD_OVERRIDERS
 
-### Synopsis
+## Synopsis
 
-Defined in <boost/openmethod/macros.hpp>.
+Defined in link:{{BASE_URL}}/include/boost/openmethod/macros.hpp[<boost/openmethod/macros.hpp>].
 
 ```c++
 #define BOOST_OPENMETHOD_OVERRIDERS(ID)                                      \
     BOOST_PP_CAT(BOOST_OPENMETHOD_ID(ID), _overriders)
 ```
 
-### Description
+## Description
 
 `BOOST_OPENMETHOD_OVERRIDERS` expands to the name of the class template that
 contains the overriders for all the methods with a given name.

doc/modules/ROOT/pages/BOOST_OPENMETHOD_REGISTER.adoc

@@ -1,17 +1,15 @@
 
-[#BOOST_OPENMETHOD_REGISTER]
+# BOOST_OPENMETHOD_REGISTER
 
-## BOOST_OPENMETHOD_REGISTER
+## Synopsis
 
-### Synopsis
-
-Defined in <boost/openmethod/macros.hpp>.
+Defined in link:{{BASE_URL}}/include/boost/openmethod/macros.hpp[<boost/openmethod/macros.hpp>].
 
 ```c++
 BOOST_OPENMETHOD_REGISTER(TYPE);
 ```
 
-### Description
+## Description
 
 Creates a registrar for `TYPE`, i.e. a static `TYPE` object with a unique
 generated name. At static initialization time, the object adds itself to a list:

doc/modules/ROOT/pages/BOOST_OPENMETHOD_TYPE.adoc

@@ -1,15 +1,14 @@
+# BOOST_OPENMETHOD_TYPE
 
-= BOOST_OPENMETHOD_TYPE
+## Synopsis
 
-### Synopsis
-
-Defined in <boost/openmethod/macros.hpp>.
+Defined in link:{{BASE_URL}}/include/boost/openmethod/macros.hpp[<boost/openmethod/macros.hpp>].
 
 ```c++
 BOOST_OPENMETHOD_TYPE(ID, (PARAMETERS...), RETURN_TYPE [, REGISTRY]);
 ```
 
-### Description
+## Description
 
 Expands to the core cpp:method[`method`] specialization created by
 xref:BOOST_OPENMETHOD.adoc[BOOST_OPENMETHOD] called with the same arguments.

doc/modules/ROOT/pages/basics.adoc

@@ -1,12 +1,12 @@
 :exampledir: ../example
 
-## Open-Methods 101
+[#basics]
 
-An _open-method_ is a free-standing function that takes one or more _virtual_
+An _open-method_ is a free-standing function that has one or more _virtual_
 _parameters_. When it is called, it forwards to an _overrider_ selected from a
 set by examining the dynamic types of the virtual parameters.
 
-If this sounds like a virtual function, that's because because an open-method
+If this sounds like a virtual function, that's because an open-method
 with one virtual parameter is equivalent to a virtual function - with one big
 difference: it exists outside of classes.
 
@@ -22,7 +22,7 @@ BOOST_OPENMETHOD(
     postfix, (virtual_ptr<const Node> node, std::ostream& os), void);
 ```
 
-This method is called `postfix`. It takes one virtual parameter, `node`, and one
+`postfix` is the method's name. It takes one virtual parameter, `node`, and one
 non-virtual parameter, `os`. It returns `void`. The macro generates the
 following function:
 
@@ -61,15 +61,15 @@ This one calls `postfix` recursively to print the left and right
 sub-expressions. Note that we call the method just like an ordinary function.
 
 `postfix` expects a `virtual_ptr<const Node>`, and we are passing it a _plain_
-_reference_ to a `Plus` object. This works because `virtual_ptr` has conversion
-constructors from plain references or pointers to an object, or from other
-`virtual_ptr`{empty}s to compatible classes.
+_reference_ to a `Node` object. This works because `virtual_ptr` has conversion
+constructors from plain references or pointers to objects, or from other
+`virtual_ptr`{empty}s.
 
 There are two more things we need to do.
 
-OpenMethod is a library, not a compiler. It needs to be made aware of all the
+OpenMethod is a library, not a compiler. It needs to be informed of all the
 classes that may be used as virtual parameters, and in method calls, and their
-inheritance relationships. We do this with the
+inheritance relationships. We provide that information with the
 xref:BOOST_OPENMETHOD_CLASSES.adoc[BOOST_OPENMETHOD_CLASSES] macro:
 
 
@@ -84,8 +84,8 @@ direct base of a class must appear together with it in at least one call to
 inheritance lattice.
 
 The constructs used in this example require the classes to be polymorphic, in
-the standard C++ sense, i.e. have at least one virtual function. The library can
-also be used with non-polymorphic classes, with some restrictions.
+the standard C++ sense, i.e. they must have at least one virtual function. The
+library can also be used with non-polymorphic classes, with some restrictions.
 
 Finally, we need to call `boost::openmethod::initialize()` before the first call
 to an open-method. This builds the dispatch tables used during method calls. It

doc/modules/ROOT/pages/core_api.adoc

@@ -1,6 +1,6 @@
 :example: ../examples/core_api/1
 
-## Core API
+[#core_api]
 
 OpenMethod provides a macro-free interface: the core API. This is useful in
 certain situations, for example when combining open-methods and templates.
@@ -25,8 +25,8 @@ method, `prefix`, which writes expressions in prefix notation. It would have the
 same signature. Without the identifier argument, `prefix` and `postfix` would be the
 same method.
 
-The exact name of the identifier class does not matter, as long as it is unique enough.
-The class needs not be defined, only declared.
+The exact name of the identifier class does not matter. The class needs not be
+defined, only declared.
 
 Inventing identifier class names can get tedious, so OpenMethod provides a macro
 for that: xref:BOOST_OPENMETHOD_ID.adoc[BOOST_OPENMETHOD_ID]. Let's use it:
@@ -58,9 +58,12 @@ functions passed as template arguments to the method.
 include::{example}/core_api.cpp[tag=variable_overrider]
 ----
 
-Once again we find ourselves inventing a name that will not be used again. In
-C++26, we will probably have the Python-like `_` for this. In the meantime, we
-can use a small macro:
+Once again we find ourselves inventing a name for a single use. In C++26, we
+will probably have the Python-like `_` for this.
+
+We can also use a small macro:
+xref:BOOST_OPENMETHOD_REGISTER.adoc[BOOST_OPENMETHOD_REGISTER]. It takes a
+class, and instantiates a static object with an obfuscated name:
 
 [source,c++]
 ----
@@ -91,7 +94,7 @@ The primary purpose of the core API is to make open-methods inter-operate with
 templates.
 
 `Plus` and `Times` are obvious candidates for templatization. They only differ
-by the operation they perform, and we already have templates fore that in the
+by the operation they perform, and we already have templates for that in the
 standard library:
 
 [source,c++]
@@ -118,8 +121,8 @@ include::{example}/core_api.cpp[tag=postfix_binary]
 ----
 
 Macro xref:BOOST_OPENMETHOD_TYPE.adoc[BOOST_OPENMETHOD_TYPE] takes the same
-parameters as `BOOST_OPENMETHOD`, and expands to the core method type. That is
-how we access its nested `overrider` class template:
+parameters as `BOOST_OPENMETHOD`, and expands to the core cpp:method[method]
+instance. That is how we access its nested `overrider` class template:
 
 [source,c++]
 ----

doc/modules/ROOT/pages/custom_rtti.adoc

@@ -1,7 +1,7 @@
 
 :example: ../examples/custom_rtti
 
-## Custom RTTI
+[#custom_rtti]
 
 The original motivation for the policy mechanism is to make it possible to
 interface OpenMethod with custom RTTI systems.
@@ -106,25 +106,26 @@ still work.
 The policy is quite minimal. It does not support virtual inheritance, because it
 does not provide a `dynamic_cast_ref` function. It would not produce good error
 or trace messages, because it does not provide a `type_name` function. Instead,
-it relies on the `type_name` inherited from `rtti::default`. It renders types as
-adorned integers, e.g. "type_id(2)". All non-"polymorphic" types would be
-rendered the same way, as "type_id(0)".
+it relies on the `type_name` inherited from cpp:rtti::defaults[]. It
+renders types as adorned integers, e.g. "type_id(2)". All non-"polymorphic"
+types would be rendered the same way, as "type_id(0)".
 
-`rtti::default` also provides a default implementation for `type_index`, which
-simply returns its argument.
+cpp:rtti::defaults[] also provides a default implementation for `type_index`,
+which simply returns its argument.
 
 Now we need a policy to get a v-table pointer from an object. Our RTTI system
 has an interesting property: its type ids are monotonically allocated in a
-small, dense range. It means that we can use them as straight indexes in a
-vector. `vptr_vector` is perfect for that. So here is our registry:
+small, dense range. It means that we can use them as indexes in a vector.
+`vptr_vector` is perfect for that. So here is our registry:
 
 [source,c++]
 ----
 include::{example}/1/custom_rtti.cpp[tag=registry]
 ----
 
-Defining macro `BOOST_OPENMETHOD_DEFAULT_REGISTRY` sets the default registry
-used by all library components that need one.
+Defining macro
+xref:BOOST_OPENMETHOD_DEFAULT_REGISTRY.adoc[BOOST_OPENMETHOD_DEFAULT_REGISTRY]
+sets the default registry used by all library components that need one.
 
 Next, we include the main header.
 Because `BOOST_OPENMETHOD_DEFAULT_REGISTRY` is defined, its value is used

doc/modules/ROOT/pages/error_handling.adoc

@@ -1,15 +1,14 @@
 
-## Error Handling
+[#error_handling]
 
-Errors can occur during `initialize`, or during method dispatch, if the
-method's registry contains the `runtime_checks` policy. If the registry
-contains an `error_handler` policy, its `error_handler::error` member
-function is called with a variant containing an error object, before terminating
-the program with a call to `abort`. `default_registry` contains such a
-policy: `default_error_handler`. It wraps the error object in a variant, and
-calls a handler via a `std::function`. By default, it prints a short description
-of the error to `stderr`, but this can be changed, for example, to throw an
-exception:
+Errors can occur during `initialize`, or during method dispatch, if the method's
+registry contains the `runtime_checks` policy. If the registry contains an
+`error_handler` policy, its `error_handler::error` member function is called
+with an error object, before terminating the program with a call to `abort`.
+`default_registry` contains such a policy: `default_error_handler`. It wraps the
+error object in a variant, and calls a handler via a `std::function`,
+initialized to a function that prints a short description of the error to
+`stderr`. The function can be changed, for example, to throw an exception:
 
 [source,c++]
 ----
@@ -43,11 +42,14 @@ spin
 
 Stock policy `throw_error_handler` does this for all the error types:
 
-```c++ namespace boost::openmethod::policies {
+```c++
+namespace boost::openmethod::policies {
 
-struct throw_error_handler : error_handler { template<class Error>
-    [[noreturn]] static auto error(const Error& error) -> void { throw
-    error; }
+struct throw_error_handler : error_handler {
+    template<class Error>
+    [[noreturn]] static auto error(const Error& error) -> void {
+        throw error;
+    }
 };
 
 } // namespace boost::openmethod::policies

doc/modules/ROOT/pages/friends.adoc

@@ -1,13 +1,13 @@
 :example: ../examples/rolex
 
-## Friendship
+[#friendship]
 
 Note;; This section uses overrider containers, described in the
 xref:headers.adoc[Headers] section.
 
-`friend` is a controversial feature. OpenMethod aims to interact well with
-all of C++, as much as feasible for a library, and leave the user the choice of
-using `friend`, or not.
+`friend` is a controversial feature. OpenMethod aims to interact well with all
+of C++, as much as feasible for a library, and leaves the choice of using
+`friend`, or not, to the user.
 
 Let's consider yet another variation of the `pay` example. This time, we want to
 update a `balance` variable in a `Payroll` class, when an employee is paid. Thus

doc/modules/ROOT/pages/headers.adoc

@@ -1,6 +1,6 @@
 :example: ../examples/rolex
 
-## Headers
+[#Headers]
 
 Typically, `BOOST_OPENMETHOD` is used in headers, while
 `BOOST_OPENMETHOD_CLASSES` and `BOOST_OPENMETHOD_OVERRIDE` are used in
@@ -8,8 +8,8 @@ implementation files.
 
 Let's use a payroll application as an example. We have two roles: `Employee` and
 `Salesman`, and a `pay` method that computes the monthly pay of an employee. We
-want to override and call `pay` from from multiple translation units, so we put
-it in a header:
+want to override and call `pay` from multiple translation units, so we put it in
+a header:
 
 [source,c++]
 ----

doc/modules/ROOT/pages/index.adoc

@@ -1,5 +1,6 @@
 :example: ../examples
 
+[#boost-openmethod]
 = Boost.OpenMethod
 
 Boost.OpenMethod implements open-(multi-)methods in C++17 and above.
@@ -72,18 +73,18 @@ manager.
 
 Thanks to the members of the Boost community who posted a formal review:
 
-* Joaquin M López Muñoz
+* Andrzej Krzemienski
 
 * Christian Mazakas
 
+* Joaquin M López Muñoz
+
+* Klemens Morgenstern
+
 * Ruben Perez
 
 * Yannick Le Goc
 
-* Klemens Morgenstern
-
-* Andrzej Krzemienski
-
 Also thanks to Steven Watanabe for his cogent feedback and advice, and all
 the people who posted remarks and suggestions.
 

doc/modules/ROOT/pages/motivation.adoc

@@ -1,5 +1,5 @@
 
-## Introduction
+[#motivation]
 
 Consider a class hierarchy that represents and evaluates arithmetic
 expressions:
@@ -84,9 +84,12 @@ Julia, Cecil, TADS, and others, have multi-methods.
 
 But wait! What do multi-methods have to do with our problem? There is no
 multiple dispatch going on here! The thing is, "multi-methods" is not a very
-good name. Even in languages that support them, multi-methods tend to use single
-dispatch only. For that reason, we prefer the term "open-methods", to emphasize
-the important feature: openness. Multiple dispatch is just a bonus.
+good name. Even in languages that support them, many "multi-methods" have a
+single virtual parameter - they are uni-methods
+footnote:[https://figshare.com/articles/thesis/Multiple_Dispatch_in_Practice/16959112[Multiple
+dispatch in practice], Radu Muschevici, 2008.]! For that reason, we prefer the
+term "open-methods", to emphasize the important feature: openness. Multiple
+dispatch is just a bonus.
 
 An open-method is like a virtual function, but it exists outside of a class, as
 a free-standing function. We can create all the open-methods we need, without

doc/modules/ROOT/pages/multiple_dispatch.adoc

@@ -1,12 +1,12 @@
 :example: ../examples
 
-## Multiple Dispatch
+[#multiple_dispatch]
 
 A method can have more than one virtual parameter. This is often called
-"multi-methods" or "multiple dispatch". All the virtual parameters participate
+"multi-method" or "multiple dispatch". All the virtual parameters participate
 equally in overrider selection, following the same rules as those governing
 overload resolution - except that the selection happens at runtime, and takes
-into account the argument's dynamic types.
+into account the arguments dynamic types.
 
 Multiple dispatch is occasionally useful. When it is needed, it can be difficult
 to implement correctly and efficiently by hand. For example, given the following

doc/modules/ROOT/pages/namespaces.adoc

@@ -1,9 +1,9 @@
 :example: ../examples/rolex
 
-## Namespaces
+[#namespaces]
 
 Note;; This section uses overrider containers, described in the
-xref:headers.adoc[Headers] section.
+xref:headers.adoc[Headers and Implementation Files] section.
 
 xref:BOOST_OPENMETHOD.adoc[BOOST_OPENMETHOD] defines a method in the current
 namespace. xref:BOOST_OPENMETHOD_OVERRIDE.adoc[BOOST_OPENMETHOD_OVERRIDE] works
@@ -13,9 +13,9 @@ called with the same arguments as the overrider, possibly located via argument
 dependant lookup.
 
 Overrider containers are added to the current namespace. It follows that the
-same method can have overriders in several different container, in different
-namespaces. This must be taken into account when calling an overrider
-explicitly. Let's put Employee and Salesman in their own namespaces:
+same method can have overriders in multiple containers, in different namespaces.
+This must be taken into account when calling an overrider explicitly. Let's put
+Employee and Salesman in their own namespaces:
 
 [source,c++]
 ----

doc/modules/ROOT/pages/performance.adoc

@@ -1,5 +1,5 @@
 
-## Performance
+[#performance]
 
 Open-methods can be as fast as ordinary virtual member functions when
 compiled with optimization.
@@ -67,7 +67,7 @@ than calling the equivalent virtual function, with an empty body and no other
 arguments. In most real programs, the overhead would be unnoticeable.
 
 *However*, `call_via_ref` does two things: it constructs a `virtual_ptr<Node>`
-from a `const Node&`; and then it calls the method.
+from a `const Node&`, then it calls the method.
 
 The construction of the `virtual_ptr` is the costly part. It performs a lookup
 in a perfect hash table, indexed by pointers to `std::type_info`, to find the
@@ -96,9 +96,10 @@ jmp	rax                             # TAILCALL
 `virtual_ptr` arguments are passed through the method call, to the overrider,
 which can use them to make further method calls.
 
-A program designed with open-methods in mind should use `virtual_ptr`{empty}s
-in place of plain pointers or references, as much as possible. Here is the Node
-example, rewritten to use `virtual_ptr`{empty}s thoughout:
+Code that incorporates open-methods in its design should use
+`virtual_ptr`{empty}s in place of plain pointers or references, as much as
+possible. Here is the Node example, rewritten to use `virtual_ptr`{empty}s
+thoughout:
 
 [source,c++]
 ----

doc/modules/ROOT/pages/ref_headers.adoc

@@ -7,21 +7,64 @@
 
 The following headers are sufficient for most basic uses of the library.
 
-* xref:#main[`boost/openmethod.hpp`] to define open-methods and overriders using
+* xref:#openmethod[`<boost/openmethod.hpp>`] to define open-methods and overriders using
 convenient macros.
 
-* xref:#initialize[`boost/openmethod/initialize.hpp`] to initialize the library.
+* xref:#initialize[`<boost/openmethod/initialize.hpp>`] to initialize the library.
 Typically only included in the translation unit containing `main`.
 
 The following headers make it possible to use standard smart pointers in virtual
 parameters:
 
-* xref:#std_shared_ptr[`boost/openmethod/interop/std_shared_ptr.hpp`] to use
+* xref:#std_shared_ptr[`<boost/openmethod/interop/std_shared_ptr.hpp>`] to use
 `std::shared_ptr` in virtual parameters.
 
-* xref:#std_unique_ptr[`boost/openmethod/interop/std_unique_ptr.hpp`] to use
+* xref:#std_unique_ptr[`<boost/openmethod/interop/std_unique_ptr.hpp>`] to use
 `std::unique_ptr` in virtual parameters.
 
+## High-level Headers
+
+[#core]
+### link:{{BASE_URL}}/include/boost/openmethod/core.hpp[<boost/openmethod/core.hpp>]
+
+Defines the main constructs of the library: methods, overriders and virtual
+pointers, and mechanisms to implement them. Does not define any public macros
+apart from `BOOST_OPENMETHOD_DEFAULT_REGISTRY`, if it is not defined already.
+
+[#macros]
+### link:{{BASE_URL}}/include/boost/openmethod/macros.hpp[<boost/openmethod/macros.hpp>]
+
+Defines the public macros of the library, such as `BOOST_OPENMETHOD`,
+`BOOST_OPENMETHOD_CLASSES`, etc.
+
+There is little point in including this header directly, as this has the same
+effect as including `boost/openmethod.hpp`, which is shorter.
+
+[#openmethod]
+### link:{{BASE_URL}}/include/boost/openmethod.hpp[<boost/openmethod.hpp>]
+
+Includes `core.hpp` and `macros.hpp`.
+
+[#initialize]
+### link:{{BASE_URL}}/include/boost/openmethod/initialize.hpp[<boost/initialize.hpp>]
+
+Provides the cpp:initialize[] and cpp:finalize[] functions. This header is
+typically included in the translation unit containing `main`. Translation units
+that dynamically load or unload shared libraries may also need to call those
+functions.
+
+[#std_shared_ptr]
+### link:{{BASE_URL}}/include/boost/openmethod/interop/std_shared_ptr.hpp[<boost/openmethod/interop/std_shared_ptr.hpp>]
+
+Provides a `virtual_traits` specialization that makes it possible to use a
+`std::shared_ptr` in place of a raw pointer or reference in virtual parameters.
+
+[#std_unique_ptr]
+### link:{{BASE_URL}}/include/boost/openmethod/interop/std_unique_ptr.hpp[<boost/openmethod/interop/std_unique_ptr.hpp>]
+
+Provides a `virtual_traits` specialization that makes it possible to use a
+`std::unique_ptr` in place of a raw pointer or reference in virtual parameters.
+
 *The headers below are for advanced use*.
 
 ## Pre-Core Headers
@@ -30,82 +73,52 @@ The following headers can be included before `core.hpp` to define custom
 registries and policies, and override the default registry by defining
 xref:BOOST_OPENMETHOD_DEFAULT_REGISTRY.adoc[`BOOST_OPENMETHOD_DEFAULT_REGISTRY`].
 
-### boost/openmethod/preamble.hpp
+### link:{{BASE_URL}}/include/boost/openmethod/preamble.hpp[<boost/openmethod/preamble.hpp>]
 
 Defines `registry` and stock policy categories. Also defines all types and
 functions necessary for the definition of `registry`.
 
-### boost/openmethod/policies/std_rtti.hpp
+### link:{{BASE_URL}}/include/boost/openmethod/policies/std_rtti.hpp[<boost/openmethod/policies/std_rtti.hpp>]
 
 Provides an implementation of the `rtti` policy using standard RTTI.
 
-### boost/openmethod/policies/fast_perfect_hash.hpp
+### link:{{BASE_URL}}/include/boost/openmethod/policies/fast_perfect_hash.hpp[<boost/openmethod/policies/fast_perfect_hash.hpp>]
 
 Provides an implementation of the `hash` policy using a fast perfect hash
 function.
 
-### boost/openmethod/policies/vptr_vector.hpp
+### link:{{BASE_URL}}/include/boost/openmethod/policies/vptr_vector.hpp[<boost/openmethod/policies/vptr_vector.hpp>]
 
 Provides an implementation of the `vptr` policy that stores the v-table pointers
 in a `std::vector` indexed by type ids, possibly hashed.
 
-### boost/openmethod/policies/default_error_handler.hpp
+### link:{{BASE_URL}}/include/boost/openmethod/policies/default_error_handler.hpp[<boost/openmethod/policies/default_error_handler.hpp>]
 
 Provides an implementation of the `error_handler` policy that calls a
 `std::function<void(openmethod_error)>` when an error is encountered, and before
 the library aborts the program.
 
-### boost/openmethod/policies/stderr_output.hpp
+### link:{{BASE_URL}}/include/boost/openmethod/policies/stderr_output.hpp[<boost/openmethod/policies/stderr_output.hpp>]
 
 Provides an implementation of the `output` policy that writes diagnostics to
 the C standard error stream (not using iostreams).
 
-### boost/openmethod/default_registry.hpp
+### link:{{BASE_URL}}/include/boost/openmethod/default_registry.hpp[<boost/openmethod/default_registry.hpp>]
 
 Defines the default registry, which contains all the stock policies listed
-above. Includes all the headers listed in the preamble section so far.
+above. Includes all the headers listed in this section so far.
 
-### boost/openmethod/policies/static_rtti.hpp
+### link:{{BASE_URL}}/include/boost/openmethod/policies/static_rtti.hpp[<boost/openmethod/policies/static_rtti.hpp>]
 
 Provides a minimal implementation of the `rtti` policy that does not depend on
 standard RTTI.
 
-### boost/openmethod/policies/throw_error_handler.hpp
+### link:{{BASE_URL}}/include/boost/openmethod/policies/throw_error_handler.hpp[<boost/openmethod/policies/throw_error_handler.hpp>]
 
 Provides an implementation of the `error_handler` policy that throws errors as
 exceptions.
 
-### boost/openmethod/policies/vptr_map.hpp
+### link:{{BASE_URL}}/include/boost/openmethod/policies/vptr_map.hpp[<boost/openmethod/policies/vptr_map.hpp>]
 
 Provides an implementation of the `vptr` policy that stores the v-table pointers
 in a map (by default a `std::map`) indexed by type ids.
-
-## High-level Headers
-
-### boost/openmethod/core.hpp
-
-Defines the main constructs of the library: methods, overriders and virtual
-pointers, and mechanisms to implement them. Does not define any public macros
-apart from `BOOST_OPENMETHOD_DEFAULT_REGISTRY`, if it is not defined already.
-
-### boost/openmethod/macros.hpp
-
-Defines the public macros of the library, such as `BOOST_OPENMETHOD`,
-`BOOST_OPENMETHOD_CLASSES`, etc.
-
-There is little point in including this header directly, as this has the same
-effect as including `boost/openmethod.hpp`, which is shorter.
-
-### boost/openmethod.hpp
-
-Includes `core.hpp` and `macros.hpp`.
-
-### boost/openmethod/interop/std_shared_ptr.hpp
-
-Provides a `virtual_traits` specialization that make it possible to use a
-`std::shared_ptr` in place of a raw pointer or reference in virtual parameters.
-
-### boost/openmethod/interop/std_unique_ptr.hpp
-
-Provides a `virtual_traits` specialization that make it possible to use a
-`std::unique_ptr` in place of a raw pointer or reference in virtual parameters.

doc/modules/ROOT/pages/ref_macros.adoc

@@ -1,6 +1,5 @@
-[#macros]
-= xref:macros.adoc[Macros]
-:mrdocs:
+[#ref_macros]
+= xref:ref_macros.adoc[Macros]
 
 The following macros - in particular the first three- are sufficient for most
 uses of the library.

doc/modules/ROOT/pages/registries_and_policies.adoc

@@ -1,5 +1,5 @@
 
-## Registries and Policies
+[#registries_and_policies]
 
 Methods are scoped in a registry. A method can only reference classes in the
 same registry. If a class is used as a virtual parameter in methods using
@@ -20,9 +20,9 @@ A registry has a collection of _policies_. Each policy belongs to a policy
 category. A registry may contain at most one policy of each category. Policies
 control how type information is obtained, how vptrs are acquired, how errors are
 handled and reported, etc. While the behavior of cpp:initialize[] can be
-customized via options, policies are primarily involved in in method dispatch.
+customized via options, policies are primarily involved in method dispatch.
 
-Policies are placed in the `boost::openmethod::policies` namespace.
+Policies are placed in the cpp:boost::openmethod::policies[] namespace.
 
 `default_registry` contains the following policies:
 
@@ -40,11 +40,11 @@ Policies are placed in the `boost::openmethod::policies` namespace.
 
 | type_hash
 | fast_perfect_hash
-| hash type id to an index in a vector
+| hashes type id to an index in a vector
 
 | error_handler
 | default_error_handler
-| handles errors
+| calls an overridable handler function
 
 | output
 | stderr_output
@@ -61,7 +61,7 @@ registrations that could not be caught by `initialize`.
 The library provides another predefined registry: cpp:indirect_registry[]. It is
 useful when shared libraries are dynamically loaded at runtime, and add methods
 and overriders across program and shared library boundaries. See the section
-about shared_libraries.adoc[shared libraries].
+about xref:shared_libraries.adoc[shared libraries].
 
 Registries can be created from scratch, using the `registry` template. Here is
 the definition of `default_registry`, copied from
@@ -99,9 +99,9 @@ struct indirect_registry : default_registry::with<policies::indirect_vptr> {};
 Policies are implemented as unary
 https://www.boost.org/doc/libs/1_89_0/libs/mp11/doc/html/mp11.html[Boost.MP11
 quoted metafunctions]. A policy is an ordinary class that contains a nested
-class template, called `fn` which is instantiated by the registry, passing
-itself as the template argument. The reason for this mechanism is to allow
-policies that have static data members to give each registry its own copy.
+class template `fn`, which is instantiated by the registry, passing itself as
+the single template argument. The reason for this mechanism is to allow policies
+to have static data members, which each registry must have its own set of.
 `vptr_vector`, for example, stores v-table pointers in a `std::vector`. If it is
 used in two different registries, it needs to use two different vectors, one for
 each registry.

doc/modules/ROOT/pages/shared_libraries.adoc

@@ -1,6 +1,6 @@
 :shared: ../examples/shared_libs
 
-## Shared Libraries
+[#shared_libraries]
 
 This section discusses how OpenMethod interoperates with shared libraries on
 Linux, other POSIX-like platforms, and Windows.
@@ -79,7 +79,7 @@ include::{shared}/dynamic_main.cpp[tag=unload]
 
 ### Windows
 
-If we try the aboveexample on Windows, the result is disappointing:
+If we try the example on Windows, the result is disappointing:
 
 ```
 Before loading the shared library.
@@ -98,7 +98,7 @@ they add overriders to _their_ copy of the method (the `method::fn` static
 variable for the given name and signature). They are ignored when the main
 program calls `initialize`.
 
-Likewise, `BOOST_OPENMETHOD_CLASSES(Tiger, Carnivore);` in the DLL adds `Tiger`
+Likewise, `BOOST_OPENMETHOD_CLASSES(Tiger, Carnivore)` in the DLL adds `Tiger`
 to the DLL's copy of the registry. For the perspective of the program's
 registry, the class does not exist.
 

doc/modules/ROOT/pages/smart_pointers.adoc

@@ -1,5 +1,5 @@
 
-## Smart Pointers
+[#smart_pointers]
 
 If we want maximum performance, we want to use `virtual_ptr`{empty}s in place of
 ordinary pointers or references. However, we may also want to use smart pointers
@@ -20,10 +20,10 @@ v-table pointer.
 Smart `virtual_ptr`{empty}s automatically convert to their non-smart, "plain"
 counterparts - e.g. from `virtual_ptr<std::unique_ptr<const Node>>` to
 `virtual_ptr<const Node>`. Methods and overriders typically use plain
-`virtual_ptr`{empty}s, although it is not always the case. For example,
+`virtual_ptr`{empty}s, although it is not always the case footnote:[For example,
 consider a `transpose` method for matrices. If the matrix is symmetric, the
 overrider should return its argument. This can be implemented by passing a
-`virtual_ptr<std::shared_ptr<const Matrix>>` to the method.
+`virtual_ptr<std::shared_ptr<const Matrix>>` to the method.].
 
 The reverse conversion, from plain to smart, does not exist, because it would
 have the potential to accidentally create smart pointers. Likewise, a smart

doc/modules/ROOT/pages/virtual_ptr_alt.adoc

@@ -1,5 +1,6 @@
 :example: ../examples/virtual_ptr_alt
 
+[#virtual_ptr_alt]
 ## Alternatives to virtual_ptr
 
 Virtual arguments can also be passed as plain references, plain pointers, or

doc/mrdocs.yml

@@ -17,13 +17,13 @@ implementation-defined:
   - 'boost::openmethod::detail'
 inaccessible-members: never
 inaccessible-bases: never
-# see-below:
-#   - 'boost::urls::format_arg'
-# implementation-defined:
-#   - 'boost::openmethod::detail::**'
 exclude-symbols:
+  - 'boost::openmethod::registry::compiler'
+  - 'boost::openmethod::registry::initialize'
+  - 'boost::openmethod::registry::finalize'
   - 'boost::openmethod::boost_openmethod_bases'
   - 'boost::openmethod::boost_openmethod_registry'
+  - 'boost::openmethod::registry::compiler'
 
 sort-members: false
 # sort-namespace-members-by: location
@@ -36,7 +36,7 @@ auto-function-metadata: false
 
 # Generator
 generate: adoc
-base-url: https://www.github.com/boostorg/openmethod/blob/develop/
+base-url: https://www.github.com/boostorg/openmethod/blob/master/
 
 # Style
 verbose: true

doc/package.json

@@ -1,15 +1,15 @@
 {
   "devDependencies": {
-    "@antora/cli": "3.1.10",
-    "@antora/site-generator": "3.1.10",
-    "antora": "3.1.10"
+    "@antora/cli": "3.1.14",
+    "@antora/site-generator": "3.1.14",
+    "antora": "3.1.14"
   },
   "dependencies": {
-    "@antora/expand-path-helper": "^2.0.0",
-    "@antora/lunr-extension": "^1.0.0-alpha.8",
-    "@asciidoctor/tabs": "^1.0.0-beta.3",
-    "@cppalliance/antora-cpp-reference-extension": "^0.0.8",
-    "@cppalliance/antora-cpp-tagfiles-extension": "^0.0.5",
+    "@antora/expand-path-helper": "^3.0.0",
+    "@antora/lunr-extension": "^1.0.0-alpha.12",
+    "@asciidoctor/tabs": "^1.0.0-beta.6",
+    "@cppalliance/antora-cpp-reference-extension": "^0.1.0",
+    "@cppalliance/antora-cpp-tagfiles-extension": "^0.1.0",
     "@cppalliance/asciidoctor-boost-links": "^0.0.2"
   }
 }

doc/tagfiles/boost-openmethod-doxygen.tag.xml

@@ -1,907 +0,0 @@
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-<tagfile>
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-  <name>boost::openmethod</name>
-  <filename>boost/openmethod.adoc</filename>
-  <class kind="class">boost::openmethod::shared_virtual_ptr</class>
-  <class kind="class">boost::openmethod::type_id</class>
-  <class kind="class">boost::openmethod::unique_virtual_ptr</class>
-  <class kind="class">boost::openmethod::vptr_type</class>
-  <class kind="class">boost::openmethod::LightweightOutputStream</class>
-  <class kind="class">boost::openmethod::StripVirtualDecorator</class>
-  <class kind="class">boost::openmethod::StripVirtualDecorator</class>
-  <class kind="class">boost::openmethod::VirtualTraits</class>
-  <class kind="class">boost::openmethod::ambiguous_call</class>
-  <class kind="class">boost::openmethod::bad_call</class>
-  <class kind="class">boost::openmethod::default_registry</class>
-  <class kind="class">boost::openmethod::final_error</class>
-  <class kind="class">boost::openmethod::indirect_registry</class>
-  <class kind="class">boost::openmethod::inplace_vptr_base</class>
-  <class kind="class">boost::openmethod::inplace_vptr_derived</class>
-  <class kind="class">boost::openmethod::inplace_vptr_derived</class>
-  <class kind="class">boost::openmethod::inplace_vptr_derived</class>
-  <class kind="class">boost::openmethod::method</class>
-  <class kind="class">boost::openmethod::method</class>
-  <class kind="class">boost::openmethod::missing_base</class>
-  <class kind="class">boost::openmethod::missing_class</class>
-  <class kind="class">boost::openmethod::n2216</class>
-  <class kind="class">boost::openmethod::no_overrider</class>
-  <class kind="class">boost::openmethod::not_initialized</class>
-  <class kind="class">boost::openmethod::odr_violation</class>
-  <class kind="class">boost::openmethod::openmethod_error</class>
-  <class kind="class">boost::openmethod::registry</class>
-  <class kind="class">boost::openmethod::trace</class>
-  <class kind="class">boost::openmethod::use_classes</class>
-  <class kind="class">boost::openmethod::virtual_</class>
-  <class kind="class">boost::openmethod::virtual_ptr</class>
-  <class kind="class">boost::openmethod::virtual_ptr</class>
-  <class kind="class">boost::openmethod::virtual_traits</class>
-  <class kind="class">boost::openmethod::virtual_traits</class>
-  <class kind="class">boost::openmethod::virtual_traits</class>
-  <class kind="class">boost::openmethod::virtual_traits</class>
-  <class kind="class">boost::openmethod::virtual_traits</class>
-  <class kind="class">boost::openmethod::virtual_traits</class>
-  <class kind="class">boost::openmethod::virtual_traits</class>
-  <class kind="class">boost::openmethod::virtual_traits</class>
-  <class kind="class">boost::openmethod::virtual_traits</class>
-  <class kind="class">boost::openmethod::final_virtual_ptr</class>
-  <class kind="class">boost::openmethod::IsPolymorphic</class>
-  <class kind="class">boost::openmethod::IsSmartPtr</class>
-  <class kind="class">boost::openmethod::SameSmartPtr</class>
-  <class kind="class">boost::openmethod::virtual_ptr</class>
-  <class kind="class">boost::openmethod::virtual_ptr</class>
-  <member kind="function">
-    <type>void</type>
-    <name>finalize</name>
-    <anchorfile>boost/openmethod/finalize.adoc</anchorfile>
-    <anchor/>
-    <arglist>()</arglist>
-  </member>
-  <member kind="function">
-    <type>auto</type>
-    <name>initialize</name>
-    <anchorfile>boost/openmethod/initialize.adoc</anchorfile>
-    <anchor/>
-    <arglist>(...Options...&amp;&amp; options)</arglist>
-  </member>
-  <member kind="function">
-    <type>auto</type>
-    <name>make_shared_virtual</name>
-    <anchorfile>boost/openmethod/make_shared_virtual.adoc</anchorfile>
-    <anchor/>
-    <arglist>(...T...&amp;&amp; args)</arglist>
-  </member>
-  <member kind="function">
-    <type>auto</type>
-    <name>make_unique_virtual</name>
-    <anchorfile>boost/openmethod/make_unique_virtual.adoc</anchorfile>
-    <anchor/>
-    <arglist>(...T...&amp;&amp; args)</arglist>
-  </member>
-  <member kind="function">
-    <type>bool</type>
-    <name>operator==</name>
-    <anchorfile>boost/openmethod/operator_eq.adoc</anchorfile>
-    <anchor/>
-    <arglist>(const virtual_ptr&lt;Left, Registry&gt;&amp; left, const virtual_ptr&lt;Right, Registry&gt;&amp; right)</arglist>
-  </member>
-  <member kind="function">
-    <type>bool</type>
-    <name>operator!=</name>
-    <anchorfile>boost/openmethod/operator_not_eq.adoc</anchorfile>
-    <anchor/>
-    <arglist>(const virtual_ptr&lt;Left, Registry&gt;&amp; left, const virtual_ptr&lt;Right, Registry&gt;&amp; right)</arglist>
-  </member>
-</compound>
-<compound kind="namespace">
-  <name>boost::openmethod::aliases</name>
-  <filename>boost/openmethod/aliases.adoc</filename>
-  <class kind="class">boost::openmethod::aliases::final_virtual_ptr</class>
-  <class kind="class">boost::openmethod::aliases::initialize</class>
-  <class kind="class">boost::openmethod::aliases::inplace_vptr_base</class>
-  <class kind="class">boost::openmethod::aliases::inplace_vptr_derived</class>
-  <class kind="class">boost::openmethod::aliases::make_shared_virtual</class>
-  <class kind="class">boost::openmethod::aliases::make_unique_virtual</class>
-  <class kind="class">boost::openmethod::aliases::shared_virtual_ptr</class>
-  <class kind="class">boost::openmethod::aliases::unique_virtual_ptr</class>
-  <class kind="class">boost::openmethod::aliases::virtual_</class>
-  <class kind="class">boost::openmethod::aliases::virtual_ptr</class>
-</compound>
-<compound kind="class">
-  <name>boost::openmethod::aliases::final_virtual_ptr</name>
-  <filename>boost/openmethod/aliases/final_virtual_ptr.adoc</filename>
-</compound>
-<compound kind="class">
-  <name>boost::openmethod::aliases::initialize</name>
-  <filename>boost/openmethod/aliases/initialize.adoc</filename>
-</compound>
-<compound kind="class">
-  <name>boost::openmethod::aliases::inplace_vptr_base</name>
-  <filename>boost/openmethod/aliases/inplace_vptr_base.adoc</filename>
-</compound>
-<compound kind="class">
-  <name>boost::openmethod::aliases::inplace_vptr_derived</name>
-  <filename>boost/openmethod/aliases/inplace_vptr_derived.adoc</filename>
-</compound>
-<compound kind="class">
-  <name>boost::openmethod::aliases::make_shared_virtual</name>
-  <filename>boost/openmethod/aliases/make_shared_virtual.adoc</filename>
-</compound>
-<compound kind="class">
-  <name>boost::openmethod::aliases::make_unique_virtual</name>
-  <filename>boost/openmethod/aliases/make_unique_virtual.adoc</filename>
-</compound>
-<compound kind="class">
-  <name>boost::openmethod::aliases::shared_virtual_ptr</name>
-  <filename>boost/openmethod/aliases/shared_virtual_ptr.adoc</filename>
-</compound>
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-  <filename>boost/openmethod/aliases/unique_virtual_ptr.adoc</filename>
-</compound>
-<compound kind="class">
-  <name>boost::openmethod::aliases::virtual_</name>
-  <filename>boost/openmethod/aliases/virtual_.adoc</filename>
-</compound>
-<compound kind="class">
-  <name>boost::openmethod::aliases::virtual_ptr</name>
-  <filename>boost/openmethod/aliases/virtual_ptr.adoc</filename>
-</compound>
-<compound kind="namespace">
-  <name>boost::openmethod::policies</name>
-  <filename>boost/openmethod/policies.adoc</filename>
-  <class kind="class">boost::openmethod::policies::ErrorHandlerFn</class>
-  <class kind="class">boost::openmethod::policies::IdsToVptr</class>
-  <class kind="class">boost::openmethod::policies::OutputFn</class>
-  <class kind="class">boost::openmethod::policies::RttiFn</class>
-  <class kind="class">boost::openmethod::policies::TypeHashFn</class>
-  <class kind="class">boost::openmethod::policies::VptrFn</class>
-  <class kind="class">boost::openmethod::policies::default_error_handler</class>
-  <class kind="class">boost::openmethod::policies::deferred_static_rtti</class>
-  <class kind="class">boost::openmethod::policies::error_handler</class>
-  <class kind="class">boost::openmethod::policies::fast_perfect_hash</class>
-  <class kind="class">boost::openmethod::policies::indirect_vptr</class>
-  <class kind="class">boost::openmethod::policies::output</class>
-  <class kind="class">boost::openmethod::policies::rtti</class>
-  <class kind="class">boost::openmethod::policies::runtime_checks</class>
-  <class kind="class">boost::openmethod::policies::static_rtti</class>
-  <class kind="class">boost::openmethod::policies::std_rtti</class>
-  <class kind="class">boost::openmethod::policies::stderr_output</class>
-  <class kind="class">boost::openmethod::policies::throw_error_handler</class>
-  <class kind="class">boost::openmethod::policies::type_hash</class>
-  <class kind="class">boost::openmethod::policies::vptr</class>
-  <class kind="class">boost::openmethod::policies::vptr_map</class>
-  <class kind="class">boost::openmethod::policies::vptr_vector</class>
-</compound>
-<compound kind="class">
-  <name>boost::openmethod::policies::ErrorHandlerFn</name>
-  <filename>boost/openmethod/policies/ErrorHandlerFn.adoc</filename>
-  <member kind="function">
-    <type>void</type>
-    <name>error</name>
-    <anchorfile>boost/openmethod/policies/ErrorHandlerFn/error.adoc</anchorfile>
-    <anchor/>
-    <arglist>(const auto&amp; error)</arglist>
-  </member>
-</compound>
-<compound kind="class">
-  <name>boost::openmethod::policies::IdsToVptr</name>
-  <filename>boost/openmethod/policies/IdsToVptr.adoc</filename>
-  <member kind="function">
-    <type>auto</type>
-    <name>type_id_begin</name>
-    <anchorfile>boost/openmethod/policies/IdsToVptr/type_id_begin.adoc</anchorfile>
-    <anchor/>
-    <arglist>()</arglist>
-  </member>
-  <member kind="function">
-    <type>auto</type>
-    <name>type_id_end</name>
-    <anchorfile>boost/openmethod/policies/IdsToVptr/type_id_end.adoc</anchorfile>
-    <anchor/>
-    <arglist>()</arglist>
-  </member>
-  <member kind="function">
-    <type>const vptr_type&amp;</type>
-    <name>vptr</name>
-    <anchorfile>boost/openmethod/policies/IdsToVptr/vptr.adoc</anchorfile>
-    <anchor/>
-    <arglist>()</arglist>
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-  <filename>boost/openmethod/policies/OutputFn.adoc</filename>
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-<compound kind="class">
-  <name>boost::openmethod::policies::RttiFn</name>
-  <filename>boost/openmethod/policies/RttiFn.adoc</filename>
-  <member kind="function">
-    <type>type_id</type>
-    <name>static_type</name>
-    <anchorfile>boost/openmethod/policies/RttiFn/static_type.adoc</anchorfile>
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-    <anchorfile>boost/openmethod/policies/RttiFn/dynamic_type.adoc</anchorfile>
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-  <filename>boost/openmethod/policies/throw_error_handler.adoc</filename>
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-  <filename>boost/openmethod/policies/type_hash.adoc</filename>
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-  <filename>boost/openmethod/policies/vptr.adoc</filename>
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-  <filename>boost/openmethod/policies/vptr_map.adoc</filename>
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-</compound>
-</tagfile>

include/boost/openmethod/core.hpp

@@ -192,7 +192,10 @@ using virtual_types = boost::mp11::mp_transform<
 
 BOOST_OPENMETHOD_OPEN_NAMESPACE_DETAIL_UNLESS_MRDOCS
 
-//! Remove virtual_<> decorator from a type (exposition only).
+//! Removes the virtual_<> decorator, if present (exposition only).
+//!
+//! Provides a nested `type` equal to `T`. The template is specialized for
+//! `virtual_<T>`.
 //!
 //! @tparam T A type.
 template<typename T>
@@ -201,7 +204,11 @@ struct StripVirtualDecorator {
     using type = T;
 };
 
-//! Remove virtual_<> decorator from a type (exposition only).
+//! Removes the virtual_<> decorator (exposition only).
+//!
+//! Provides a nested `type` equal to `T`.
+//!
+//! @tparam T A type.
 template<typename T>
 struct StripVirtualDecorator<virtual_<T>> {
     //! Same as `T`.
@@ -213,20 +220,20 @@ BOOST_OPENMETHOD_CLOSE_NAMESPACE_DETAIL_UNLESS_MRDOCS
 // =============================================================================
 // virtual_traits
 
-//! Traits for types that can be used as virtual arguments.
+//! Traits for types used as virtual parameters.
 //!
 //! `virtual_traits` must be specialized for each type that can be used as a
 //! virtual parameters. It enables methods to:
-//! @li find the type of the object the argument refers to (e.g. `Cat` from
-//! `Cat&`)
-//! @li obtain a non-modifiable reference to that object (e.g. a `const Cat&` from
-//! `Cat&`)
-//! @li cast the argument to another type (e.g. cast a `Animal&` to a `Cat&`)
-//!
+//! @li find the type of the object the argument refers to (e.g. `Node` from
+//! `Node&`)
+//! @li obtain a non-modifiable reference to that object (e.g. a `const Node&` from
+//! `Node&`)
+//! @li cast the argument to another type (e.g. cast a `Node&` to a `Plus&`)
 //!
 //! @par Requirements
-//! Specializations of `virtual_traits` must implement the members deswcribed to the @ref VirtualTraits
-//! blueprint.
+//!
+//! Specializations of `virtual_traits` must provide the members described to
+//! the @ref VirtualTraits blueprint.
 //!
 //! @tparam T A type referring (in the broad sense) to an instance of a class.
 //! @tparam Registry A @ref registry.
@@ -2067,20 +2074,19 @@ struct validate_method_parameter<
 //!
 //! `Registry` is an instantiation of class template @ref registry. Methods may
 //! use only classes that have been registered in the same registry as virtual
-//! parameters and arguments. The registry also policies that influence several
-//! aspects of the dispatch mechanism - for example, how to obtain a v-table
-//! pointer for an object, how to report errors, whether to perform sanity
-//! checks, etc.
+//! parameters and arguments. The registry also contains a set of policies that
+//! influence several aspects of the dispatch mechanism - for example, how to
+//! acquire a v-table pointer for an object, how to report errors, whether to
+//! perform sanity checks, etc.
 //!
-//! The default value of `Registry` is the preprocessor symbol
-//! `BOOST_OPENMETHOD_DEFAULT_REGISTRY`. It can be defined before including the
-//! `<boost/openmethod/core.hpp>` header to override the default registry.
-//! Setting this symbol after including `core.hpp` has no effect.
+//! The default value for `Registry` is @ref default_registry, but it can be
+//! overridden by defining the preprocessor symbol
+//! {{BOOST_OPENMETHOD_DEFAULT_REGISTRY}}, *before* including
+//! `<boost/openmethod/core.hpp>`. Setting the symbol afterwards has no effect.
 //!
 //! Specializations of `method` have a single instance: the static member `fn`,
-//! a function object whose `operator()` is used to call the method and forward
-//! to the appropriate overrider. It is selected in the same way as overloaded
-//! function resolution:
+//! which has an `operator()` that forwards to the appropriate overrider. It is
+//! selected in the same way as overloaded function resolution:
 //!
 //! 1. Form the set of all applicable overriders. An overrider is applicable
 //!    if it can be called with the arguments passed to the method.
@@ -2088,8 +2094,8 @@ struct validate_method_parameter<
 //! 2. If the set is empty, call the error handler (if present in the
 //!    registry), then terminate the program with `abort`.
 //!
-//! 3. Remove the overriders that are dominated by other overriders in the
-//!    set. Overrider A dominates overrider B if any of its virtual formal
+//! 3. Remove the overriders that are dominated by other overriders in the set.
+//!    Overrider A dominates overrider B if at least one of its virtual formal
 //!    parameters is more specialized than B's, and if none of B's virtual
 //!    parameters is more specialized than A's.
 //!
@@ -2806,6 +2812,9 @@ using boost::openmethod::virtual_ptr;
 //!
 //! Specializations of @ref virtual_traits must implement the members listed
 //! here.
+//!
+//! @tparam T The type of a virtual parameter of a method.
+//! @tparam Registry A @ref registry.
 template<typename T, class Registry>
 struct VirtualTraits {
     //! Class to use for dispatch.
@@ -2817,6 +2826,11 @@ struct VirtualTraits {
     //! `virtual_ptr<const Class>`, `std::shared_ptr<Class>`,
     //! `std::shared_ptr<const Class>`, `virtual_ptr<std::shared_ptr<Class>>`,
     //! etc.
+    //!
+    //! @par Requirements
+    //!
+    //! `virtual_type` must be an alias to an *unadorned* *class* type, *not*
+    //! cv-qualified.
     using virtual_type = detail::unspecified;
 
     //! Returns a reference to the object to use for dispatch.

include/boost/openmethod/detail/static_list.hpp

@@ -127,10 +127,11 @@ class static_list {
 
         friend auto operator==(const iterator& a, const iterator& b) -> bool {
             return a.ptr == b.ptr;
-        };
+        }
+
         friend auto operator!=(const iterator& a, const iterator& b) -> bool {
             return a.ptr != b.ptr;
-        };
+        }
 
       private:
         T* ptr;
@@ -179,11 +180,12 @@ class static_list {
         friend auto
         operator==(const const_iterator& a, const const_iterator& b) -> bool {
             return a.ptr == b.ptr;
-        };
+        }
+
         friend auto
         operator!=(const const_iterator& a, const const_iterator& b) -> bool {
             return a.ptr != b.ptr;
-        };
+        }
 
       private:
         T* ptr;

include/boost/openmethod/initialize.hpp

@@ -1544,10 +1544,9 @@ void registry<Policies...>::compiler<Options...>::print(
 
 //! Initialize a registry.
 //!
-//! Initialize the @ref registry  passed as an explicit function template
+//! Initialize the @ref registry passed as an explicit function template
 //! argument, or @ref default_registry if the registry is not specified. The
-//! default can be changed by defining
-//! {{BOOST_OPENMETHOD_DEFAULT_REGISTRY}}.
+//! default can be changed by defining {{BOOST_OPENMETHOD_DEFAULT_REGISTRY}}.
 //! Option objects can be passed to change the behavior of the function.
 //! Currently two options exist:
 //! @li @ref trace Enable tracing of the initialization process.
@@ -1657,13 +1656,22 @@ auto registry<Policies...>::finalize(Options... opts) -> void {
     initialized = false;
 }
 
-//! Finalize the default registry
-inline auto finalize() -> void {
-    BOOST_OPENMETHOD_DEFAULT_REGISTRY::finalize();
-}
-
-namespace aliases {
-using boost::openmethod::initialize;
+//! Release resources held by registry.
+//!
+//! `finalize` may be called to release any resources allocated by
+//! @ref registry::initialize.
+//!
+//! @note
+//! A translation unit that contains a call to `finalize` must include the
+//! `<boost/openmethod/initialize.hpp>` header.
+//!
+//! @tparam Registry The registry to finalize.
+//! @tparam Options... Zero or more option types, deduced from the function
+//! arguments.
+//! @param options Zero or more option objects.
+template<class Registry = BOOST_OPENMETHOD_DEFAULT_REGISTRY, class... Options>
+inline auto finalize(Options&&... opts) -> void {
+    Registry::finalize(std::forward<Options>(opts)...);
 }
 
 } // namespace boost::openmethod

include/boost/openmethod/macros.hpp

@@ -62,8 +62,6 @@ struct va_args<ReturnType> {
         ::boost::openmethod::detail::va_args<__VA_ARGS__>::registry>
 
 #define BOOST_OPENMETHOD(NAME, ARGS, ...)                                      \
-    template<typename...>                                                      \
-    struct BOOST_OPENMETHOD_OVERRIDERS(NAME);                                  \
     struct BOOST_OPENMETHOD_ID(NAME);                                          \
     template<typename... ForwarderParameters>                                  \
     typename ::boost::openmethod::detail::enable_forwarder<                    \
@@ -72,14 +70,16 @@ struct va_args<ReturnType> {
         ForwarderParameters...>::type                                          \
         BOOST_OPENMETHOD_GUIDE(NAME)(ForwarderParameters && ... args);         \
     template<typename... ForwarderParameters>                                  \
-    inline auto NAME(ForwarderParameters&&... args) ->                         \
-        typename ::boost::openmethod::detail::enable_forwarder<                \
+    inline auto NAME(ForwarderParameters&&... args)                            \
+        ->typename ::boost::openmethod::detail::enable_forwarder<              \
             void, BOOST_OPENMETHOD_TYPE(NAME, ARGS, __VA_ARGS__),              \
             ::boost::openmethod::detail::va_args<__VA_ARGS__>::return_type,    \
             ForwarderParameters...>::type {                                    \
         return BOOST_OPENMETHOD_TYPE(NAME, ARGS, __VA_ARGS__)::fn(             \
             std::forward<ForwarderParameters>(args)...);                       \
-    }
+    }                                                                          \
+    template<typename...>                                                      \
+    struct BOOST_OPENMETHOD_OVERRIDERS(NAME)
 
 #define BOOST_OPENMETHOD_DETAIL_LOCATE_METHOD(NAME, ARGS)                      \
     template<typename T>                                                       \
@@ -88,7 +88,7 @@ struct va_args<ReturnType> {
     struct boost_openmethod_detail_locate_method_aux<void(A...)> {             \
         using type =                                                           \
             decltype(BOOST_OPENMETHOD_GUIDE(NAME)(std::declval<A>()...));      \
-    };
+    }
 
 #define BOOST_OPENMETHOD_DECLARE_OVERRIDER(NAME, ARGS, ...)                    \
     template<typename...>                                                      \
@@ -102,13 +102,15 @@ struct va_args<ReturnType> {
         static auto next(Args&&... args) -> decltype(auto);                    \
     };                                                                         \
     inline auto BOOST_OPENMETHOD_OVERRIDERS(                                   \
-        NAME)<__VA_ARGS__ ARGS>::has_next() -> bool {                          \
+        NAME)<__VA_ARGS__ ARGS>::has_next()                                    \
+        ->bool {                                                               \
         return boost_openmethod_detail_locate_method_aux<                      \
             void ARGS>::type::has_next<fn>();                                  \
     }                                                                          \
     template<typename... Args>                                                 \
     inline auto BOOST_OPENMETHOD_OVERRIDERS(NAME)<__VA_ARGS__ ARGS>::next(     \
-        Args&&... args) -> decltype(auto) {                                    \
+        Args&&... args)                                                        \
+        ->decltype(auto) {                                                     \
         return boost_openmethod_detail_locate_method_aux<                      \
             void ARGS>::type::next<fn>(std::forward<Args>(args)...);           \
     }
@@ -123,7 +125,7 @@ struct va_args<ReturnType> {
 #define BOOST_OPENMETHOD_DEFINE_OVERRIDER(NAME, ARGS, ...)                     \
     BOOST_OPENMETHOD_DETAIL_REGISTER_OVERRIDER(NAME, ARGS, __VA_ARGS__)        \
     auto BOOST_OPENMETHOD_OVERRIDER(NAME, ARGS, __VA_ARGS__)::fn ARGS          \
-        -> boost::mp11::mp_back<boost::mp11::mp_list<__VA_ARGS__>>
+        ->boost::mp11::mp_back<boost::mp11::mp_list<__VA_ARGS__>>
 
 #define BOOST_OPENMETHOD_OVERRIDE(NAME, ARGS, ...)                             \
     BOOST_OPENMETHOD_DECLARE_OVERRIDER(NAME, ARGS, __VA_ARGS__)                \
@@ -133,9 +135,9 @@ struct va_args<ReturnType> {
     BOOST_OPENMETHOD_DECLARE_OVERRIDER(NAME, ARGS, __VA_ARGS__)                \
     BOOST_OPENMETHOD_DETAIL_REGISTER_OVERRIDER(NAME, ARGS, __VA_ARGS__)        \
     inline auto BOOST_OPENMETHOD_OVERRIDER(NAME, ARGS, __VA_ARGS__)::fn ARGS   \
-        -> boost::mp11::mp_back<boost::mp11::mp_list<__VA_ARGS__>>
+        ->boost::mp11::mp_back<boost::mp11::mp_list<__VA_ARGS__>>
 
 #define BOOST_OPENMETHOD_CLASSES(...)                                          \
-    BOOST_OPENMETHOD_REGISTER(::boost::openmethod::use_classes<__VA_ARGS__>);
+    BOOST_OPENMETHOD_REGISTER(::boost::openmethod::use_classes<__VA_ARGS__>)
 
 #endif

include/boost/openmethod/policies/vptr_vector.hpp

@@ -183,7 +183,7 @@ struct vptr_vector : vptr {
             } else {
                 detail::vptr_vector_vptrs<Registry>.clear();
             }
-        };
+        }
     };
 };
 

include/boost/openmethod/preamble.hpp

@@ -376,12 +376,19 @@ struct unspecified {};
 
 //! Blueprint for a lightweight output stream (exposition only).
 //!
-//! Classes used as output streams in policies must provide the free functions
-//! described on this page.
+//! Classes used as output streams in policies must provide the operations
+//! described on this page, either as members or as free functions.
 struct LightweightOutputStream {
+    //! Writes a null-terminated string to the stream.
     LightweightOutputStream& operator<<(const char* str);
+
+    //! Writes a string view to the stream.
     LightweightOutputStream& operator<<(const std::string_view& view);
+
+    //! Writes a pointer value to the stream.
     LightweightOutputStream& operator<<(const void* value);
+
+    //! Writes a size_t value to the stream.
     LightweightOutputStream& operator<<(std::size_t value);
 };
 
@@ -662,9 +669,9 @@ struct VptrFn {
     //!
     //! @tparam Options... Zero or more option types, deduced from the
     //! function arguments.
-    //! @param options Zero or more option objects.
+    //! @param options A tuple of option objects.
     template<class... Options>
-    static auto finalize(std::tuple<Options...> opts) -> void;
+    static auto finalize(const std::tuple<Options...>& options) -> void;
 };
 
 #endif
@@ -704,17 +711,12 @@ template<class Registry>
 struct TypeHashFn {
     //! Initialize the hash table.
     //!
-    //! @tparam ForwardIterator An iterator to a range of @ref
-    //! InitializeClass objects.
-    //! @tparam Options... Zero or more option types, deduced from the
-    //! function arguments.
-    //! @param first An iterator to the beginning of the range.
-    //! @param last An iterator to the end of the range.
-    //! @param options Zero or more option objects.
+    //! @tparam Context A class that conforms to the @ref InitializeContext
+    //! blueprint.
     //! @return A pair containing the minimum and maximum hash values.
-    template<typename ForwardIterator>
-    static auto initialize(ForwardIterator first, ForwardIterator last)
-        -> std::pair<std::size_t, std::size_t>;
+    template<class Context>
+    static auto
+    initialize(const Context& ctx) -> std::pair<std::size_t, std::size_t>;
 
     //! Hash a `type_id`.
     //!
@@ -726,10 +728,11 @@ struct TypeHashFn {
     //!
     //! This function is optional.
     //!
-    //! @tparam Options... Zero or more option types, deduced from the function
-    //! arguments.
-    //! @param options Zero or more option objects.
-    static auto finalize() -> void;
+    //! @tparam Options... Zero or more option types, deduced from the
+    //! function arguments.
+    //! @param options A tuple of option objects.
+    template<class... Options>
+    static auto finalize(const std::tuple<Options...>& options) -> void;
 };
 #endif
 
@@ -933,8 +936,6 @@ class registry : detail::registry_base {
 
     template<class... Options>
     struct compiler;
-    // template<class Registry, typename... Options>
-    // friend compiler<Options...> initialize(Options...);
 
     //! Check that the registry is initialized.
     //!
@@ -946,16 +947,6 @@ class registry : detail::registry_base {
     //! @li @ref not_initialized: The registry is not initialized.
     static void require_initialized();
 
-    //! Releases the resources held by the registry.
-    //!
-    //! `finalize` may be called to release any resources allocated by
-    //! @ref registry::initialize.
-    //!
-    //! @note
-    //! A translation unit that contains a call to `finalize` must include the
-    //! `<boost/openmethod/initialize.hpp>` header.
-    //!
-    //! @tparam Options A registry.
     template<class... Options>
     static void finalize(Options... opts);
 

index.html

@@ -7,10 +7,10 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 <html>
 <head>
-    <meta http-equiv="refresh" content="0; URL=doc/html/index.html">
+    <meta http-equiv="refresh" content="0; URL=doc/html/openmethod/index.html">
 </head>
 <body>
 Automatic redirection failed, please go to
-<a href="doc/html/index.html">doc/html/index.html</a>
+<a href="doc/html/openmethod/index.html">doc/html/openmethod/index.html</a>
 </body>
 </html>

meta/libraries.json

@@ -7,9 +7,9 @@
     "maintainers": [
         "Jean-Louis Leroy"
     ],
-    "description": "Open methods for C++17 and above.",
+    "description": "Open-methods are free-standing functions that work like virtual functions: they select the b​est overrider from a set, depending on the dynamic type of their arguments. This makes it possible to add polymorphic operations to existing classes, without modifying them. They make patterns like Visitor unnecessary.",
     "category": [
-        "Programming"
+        "Emulation", "Programming"
     ],
     "cxxstd": "17"
 }

test/test_dispatch.cpp

@@ -339,7 +339,7 @@ BOOST_AUTO_TEST_CASE(simple) {
     if constexpr (std::is_same_v<test_registry::vptr, policies::vptr_vector>) {
         BOOST_TEST(
             !detail::vptr_vector_vptrs<test_registry::registry_type>.empty());
-        test_registry::finalize();
+        finalize<test_registry>();
         static_assert(detail::has_finalize_aux<
                       void, test_registry::policy<policies::vptr>,
                       std::tuple<>>::value);

test/test_virtual_ptr_doc.cpp

@@ -186,11 +186,14 @@ namespace non_polymorphic {
 struct Animal {};       // polymorphic not required
 struct Dog : Animal {}; // polymorphic not required
 BOOST_OPENMETHOD_CLASSES(Animal, Dog);
+
+// codecov:ignore:start
 BOOST_OPENMETHOD(poke, (virtual_ptr<Animal>), void);
 
-void instiantiate_poke(virtual_ptr<Dog> snoopy) {
+void instantiate_poke(virtual_ptr<Dog> snoopy) {
     poke(snoopy);
 }
+// codecov:ignore:end
 
 BOOST_AUTO_TEST_CASE(virtual_ptr_examples_non_polymorphic) {
     {