/usr/include/boost/core
NameSizeModeActions
addressof.hpp61530644editdlrm
allocator_access.hpp159440644editdlrm
alloc_construct.hpp34360644editdlrm
checked_delete.hpp16770644editdlrm
default_allocator.hpp33330644editdlrm
demangle.hpp30340644editdlrm
empty_value.hpp33240644editdlrm
enable_if.hpp33150644editdlrm
exchange.hpp9110644editdlrm
explicit_operator_bool.hpp53540644editdlrm
first_scalar.hpp8130644editdlrm
ignore_unused.hpp19760644editdlrm
is_same.hpp7930644editdlrm
lightweight_test.hpp184430644editdlrm
lightweight_test_trait.hpp39730644editdlrm
noinit_adaptor.hpp17910644editdlrm
noncopyable.hpp19110644editdlrm
no_exceptions_support.hpp18720644editdlrm
null_deleter.hpp12320644editdlrm
nvp.hpp10000644editdlrm
pointer_traits.hpp50720644editdlrm
quick_exit.hpp10980644editdlrm
ref.hpp59760644editdlrm
scoped_enum.hpp78800644editdlrm
swap.hpp21230644editdlrm
typeinfo.hpp31510644editdlrm
uncaught_exceptions.hpp68190644editdlrm
underlying_type.hpp22050644editdlrm
use_default.hpp3000644editdlrm
Edit: /usr/include/boost/core/exchange.hpp (911B)
/* Copyright 2018 Glen Joseph Fernandes (glenjofe@gmail.com) Distributed under the Boost Software License, Version 1.0. (http://www.boost.org/LICENSE_1_0.txt) */ #ifndef BOOST_CORE_EXCHANGE_HPP #define BOOST_CORE_EXCHANGE_HPP #include #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) #include #include #endif namespace boost { #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) template inline T exchange(T& t, const U& u) { T v = t; t = u; return v; } #else #if BOOST_WORKAROUND(BOOST_MSVC, < 1800) template inline T exchange(T& t, U&& u) { T v = std::move(t); t = std::forward(u); return v; } #else template BOOST_CXX14_CONSTEXPR inline T exchange(T& t, U&& u) { T v = std::move(t); t = std::forward(u); return v; } #endif #endif } /* boost */ #endif