78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
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// Copyright Oliver Kowalke 2014.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_COROUTINE2_DETAIL_WRAP_H
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#define BOOST_COROUTINE2_DETAIL_WRAP_H
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#include <functional>
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#include <type_traits>
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#include <boost/config.hpp>
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#if defined(BOOST_NO_CXX17_STD_INVOKE)
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#include <boost/context/detail/invoke.hpp>
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#endif
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#include <boost/context/fiber.hpp>
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#include <boost/coroutine2/detail/config.hpp>
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#ifdef BOOST_HAS_ABI_HEADERS
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# include BOOST_ABI_PREFIX
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#endif
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namespace boost {
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namespace coroutines2 {
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namespace detail {
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template< typename Fn1, typename Fn2 >
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class wrapper {
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private:
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typename std::decay< Fn1 >::type fn1_;
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typename std::decay< Fn2 >::type fn2_;
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public:
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wrapper( Fn1 && fn1, Fn2 && fn2) :
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fn1_( std::move( fn1) ),
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fn2_( std::move( fn2) ) {
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}
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wrapper( wrapper const&) = delete;
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wrapper & operator=( wrapper const&) = delete;
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wrapper( wrapper && other) = default;
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wrapper & operator=( wrapper && other) = default;
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boost::context::fiber
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operator()( boost::context::fiber && c) {
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#if defined(BOOST_NO_CXX17_STD_INVOKE)
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return boost::context::detail::invoke(
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std::move( fn1_),
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fn2_,
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std::forward< boost::context::fiber >( c) );
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#else
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return std::invoke(
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std::move( fn1_),
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fn2_,
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std::forward< boost::context::fiber >( c) );
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#endif
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}
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};
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template< typename Fn1, typename Fn2 >
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wrapper< Fn1, Fn2 >
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wrap( Fn1 && fn1, Fn2 && fn2) {
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return wrapper< Fn1, Fn2 >(
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std::forward< Fn1 >( fn1),
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std::forward< Fn2 >( fn2) );
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}
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}}}
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#ifdef BOOST_HAS_ABI_HEADERS
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#include BOOST_ABI_SUFFIX
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#endif
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#endif // BOOST_COROUTINE2_DETAIL_WRAP_H
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