diff --git a/doc/v2/copy_const_reference.html b/doc/v2/copy_const_reference.html index f80db61f..ec76fa1a 100644 --- a/doc/v2/copy_const_reference.html +++ b/doc/v2/copy_const_reference.html @@ -83,7 +83,7 @@ template <class T> struct apply
In C++: +
#include <boost/python/module.hpp>
#include <boost/python/class.hpp>
@@ -113,10 +113,11 @@ BOOST_PYTHON_MODULE_INIT(my_module)
.def_init(args<int>())
.def("get_bar", &Foo::get_bar
, return_value_policy<copy_const_reference>())
- );
+ )
+ ;
}
- In Python:
+
>>> from my_module import *
>>> f = Foo(3) # create a Foo object
@@ -125,7 +126,7 @@ BOOST_PYTHON_MODULE_INIT(my_module)
Revised
- 05 November, 2001
+ 15 February, 2002
diff --git a/doc/v2/return_value_policy.html b/doc/v2/return_value_policy.html
new file mode 100644
index 00000000..5741be8f
--- /dev/null
+++ b/doc/v2/return_value_policy.html
@@ -0,0 +1,148 @@
+
+
+
+
+
+
Boost.Python - <boost/python/return_value_policy.hpp>
+
+ |
+ |
+ Boost.Python+ +Header <boost/python/return_value_policy.hpp>+ |
return_value_policy
+
+ return_value_policy synopsis
+ return_value_policy instantiations are simply models
+ of CallPolicies which are composed of a ResultConverterGenerator and optional Base CallPolicies.
+
+ return_value_policy| Parameter + + | Requirements + + | Default + + |
|---|---|---|
ResultConverterGenerator
+
+ | A model of ResultConverterGenerator. + + | |
Base
+
+ | A model of CallPolicies + + | default_call_policies
+
+ |
return_value_policy synopsis
+namespace boost { namespace python
+{
+ template <class ResultConverterGenerator, class Base = default_call_policies>
+ struct return_value_policy : Base
+ {
+ typedef ResultConverterGenerator result_converter;
+ };
+}}
+
+
+
+#include <boost/python/module.hpp>
+#include <boost/python/class.hpp>
+#include <boost/python/copy_const_reference.hpp>
+#include <boost/python/return_value_policy.hpp>
+
+// classes to wrap
+struct Bar { int x; }
+
+struct Foo {
+ Foo(int x) : { b.x = x; }
+ Bar const& get_bar() const { return b; }
+ private:
+ Bar b;
+};
+
+// Wrapper code
+using namespace boost::python;
+BOOST_PYTHON_MODULE_INIT(my_module)
+{
+ module m("my_module")
+ .add(
+ class_<Bar>()
+ )
+ .add(
+ class_<Foo>()
+ .def_init(args<int>())
+ .def("get_bar", &Foo::get_bar
+ , return_value_policy<copy_const_reference>())
+ )
+ ;
+}
+
++>>> from my_module import * +>>> f = Foo(3) # create a Foo object +>>> b = f.get_bar() # make a copy of the internal Bar object ++ +
Revised + + 15 February, 2002 + + +
© Copyright Dave + Abrahams 2002. All Rights Reserved. +