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forked from boostorg/core

Revise allocator_access implementation

This commit is contained in:
Glen Fernandes
2020-05-25 15:00:18 -04:00
parent 65901249d5
commit 376aa7aa31
22 changed files with 562 additions and 582 deletions

View File

@@ -9,19 +9,26 @@ Distributed under the Boost Software License, Version 1.0.
#include <boost/core/is_same.hpp>
#include <boost/core/lightweight_test_trait.hpp>
struct A1 { };
struct A2 {
struct propagate_on_container_swap {
BOOST_STATIC_CONSTEXPR bool value = true;
};
template<class T>
struct A1 {
typedef T value_type;
};
#if !defined(BOOST_NO_CXX11_ALLOCATOR)
template<class T>
struct A2 {
typedef T value_type;
typedef std::true_type propagate_on_container_swap;
};
#endif
int main()
{
BOOST_TEST_TRAIT_FALSE((boost::
allocator_propagate_on_container_swap<A1>::type));
allocator_propagate_on_container_swap<A1<int> >::type));
#if !defined(BOOST_NO_CXX11_ALLOCATOR)
BOOST_TEST_TRAIT_TRUE((boost::
allocator_propagate_on_container_swap<A2>::type));
allocator_propagate_on_container_swap<A2<int> >::type));
#endif
return boost::report_errors();
}