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Renamed boost::swap to boost::core::invoke_swap, deprecated boost::swap.

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The rename allows to avoid forming an infinite recursion in compile time
(because of noexcept specification that needs to resolve the unqualified call
to swap) or run time (in case if the boost::swap function is the only one
suitable for the passed arguments).

To avoid the compile-time recursion, removed noexcept specification from
boost::swap. The specification is still present in boost::core::invoke_swap.

Deprecated boost::swap and associated headers. boost::core::invoke_swap
is defined in a new boost/core/invoke_swap.hpp header.

Updated docs and tests. Removed tests that check inclusion of deprecated
headers.

Fixes https://github.com/boostorg/core/issues/148.
This commit is contained in:
Andrey Semashev
2023-07-11 01:45:19 +03:00
parent 216999e552
commit 9fc2a2f1ac
34 changed files with 214 additions and 192 deletions
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6
test/swap/swap_std_bitset.cpp
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@@ -4,11 +4,11 @@
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// Tests swapping std::bitset<T> objects by means of boost::swap.
// Tests swapping std::bitset<T> objects by means of boost::core::invoke_swap.
// Unlike most other Standard C++ Library template classes,
// std::bitset<T> does not have its own std::swap overload.
#include <boost/utility/swap.hpp>
#include <boost/core/invoke_swap.hpp>
#include <boost/core/lightweight_test.hpp>
#define BOOST_CHECK BOOST_TEST
#define BOOST_CHECK_EQUAL BOOST_TEST_EQ
@@ -24,7 +24,7 @@ int main()
bitset_type object1 = initial_value1;
bitset_type object2 = initial_value2;
boost::swap(object1,object2);
boost::core::invoke_swap(object1,object2);
BOOST_CHECK_EQUAL(object1,initial_value2);
BOOST_CHECK_EQUAL(object2,initial_value1);