Merge develop to master

fix deprecated-copy warnings

CMakeLists.txt

@@ -4,9 +4,9 @@
 # Distributed under the Boost Software License, Version 1.0.
 # (http://www.boost.org/LICENSE_1_0.txt)
 
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.5...3.20)
 
-project(BoostCircularBuffer LANGUAGES CXX)
+project(boost_circular_buffer VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
 
 add_library(boost_circular_buffer INTERFACE)
 
@@ -22,4 +22,5 @@ target_link_libraries(boost_circular_buffer INTERFACE
     Boost::move
     Boost::static_assert
     Boost::throw_exception
-    Boost::type_traits)
+    Boost::type_traits
+)

include/boost/circular_buffer/details.hpp

@@ -259,7 +259,10 @@ struct iterator
 #endif // #if BOOST_CB_ENABLE_DEBUG
 
     //! Assign operator.
-    iterator& operator = (const iterator& it) {
+#if !defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS)
+    iterator& operator=(const iterator&) = default;
+#else
+    iterator& operator=(const iterator& it) {
         if (this == &it)
             return *this;
 #if BOOST_CB_ENABLE_DEBUG
@@ -269,6 +272,7 @@ struct iterator
         m_it = it.m_it;
         return *this;
     }
+#endif
 
 // Random access iterator methods
 

meta/libraries.json

@@ -10,5 +10,6 @@
     ],
     "maintainers": [
         "Jan Gaspar <jano_gaspar -at- yahoo.com>"
-    ]
+    ],
+    "cxxstd": "03"
 }

test/common.ipp

@@ -246,9 +246,9 @@ void allocator_test() {
     CB_CONTAINER<MyInteger> cb1(10, 0);
     const CB_CONTAINER<MyInteger> cb2(10, 0);
     CB_CONTAINER<MyInteger>::allocator_type& alloc_ref = cb1.get_allocator();
+    (void)alloc_ref;
     CB_CONTAINER<MyInteger>::allocator_type alloc = cb2.get_allocator();
-    alloc_ref.max_size();
-    alloc.max_size();
+    (void)alloc;
 
     generic_test(cb1);
 

test/test.hpp

@@ -71,6 +71,11 @@ class InstanceCounter {
 public:
     InstanceCounter() { increment(); }
     InstanceCounter(const InstanceCounter& y) { y.increment(); }
+    InstanceCounter& operator=(const InstanceCounter& y) {
+        decrement();
+        y.increment();
+        return *this;
+    }
     ~InstanceCounter() { decrement(); }
     static int count() { return ms_count; }
 private:
@@ -106,12 +111,9 @@ struct MyInputIterator {
     typedef size_t size_type;
     typedef ptrdiff_t difference_type;
     explicit MyInputIterator(const vector_iterator& it) : m_it(it) {}
-    MyInputIterator& operator = (const MyInputIterator& it) {
-        if (this == &it)
-            return *this;
-        m_it = it.m_it;
-        return *this;
-    }
+
+    // Default assignment operator
+
     reference operator * () const { return *m_it; }
     pointer operator -> () const { return &(operator*()); }
     MyInputIterator& operator ++ () {