89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
|
// Copyright (C) 2012 Vicente J. Botet Escriba
|
||
|
|
//
|
||
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// The LLVM Compiler Infrastructure
|
||
|
|
//
|
||
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
||
|
|
// Source Licenses. See LICENSE.TXT for details.
|
||
|
|
//
|
||
|
|
// The invoke code is based on the one from libcxx.
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#ifndef BOOST_THREAD_DETAIL_INVOKE_HPP
|
||
|
|
#define BOOST_THREAD_DETAIL_INVOKE_HPP
|
||
|
|
|
||
|
|
#include <boost/config.hpp>
|
||
|
|
#include <boost/static_assert.hpp>
|
||
|
|
|
||
|
|
namespace boost
|
||
|
|
{
|
||
|
|
namespace detail
|
||
|
|
{
|
||
|
|
|
||
|
|
#if ! defined(BOOST_NO_SFINAE_EXPR) && \
|
||
|
|
! defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && \
|
||
|
|
! defined(BOOST_NO_CXX11_DECLTYPE) && \
|
||
|
|
! defined(BOOST_NO_CXX11_DECLTYPE_N3276) && \
|
||
|
|
! defined(BOOST_NO_CXX11_AUTO) && \
|
||
|
|
! defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
|
||
|
|
|
||
|
|
// // bullets 1 and 2
|
||
|
|
|
||
|
|
template <class Fp, class A0, class ...Args>
|
||
|
|
inline
|
||
|
|
auto
|
||
|
|
invoke(Fp&& f, A0&& a0, Args&& ...args)
|
||
|
|
-> decltype((boost::forward<A0>(a0).*f)(boost::forward<Args>(args)...))
|
||
|
|
{
|
||
|
|
return (boost::forward<A0>(a0).*f)(boost::forward<Args>(args)...);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class Fp, class A0, class ...Args>
|
||
|
|
inline
|
||
|
|
auto
|
||
|
|
invoke(Fp&& f, A0&& a0, Args&& ...args)
|
||
|
|
-> decltype(((*boost::forward<A0>(a0)).*f)(boost::forward<Args>(args)...))
|
||
|
|
{
|
||
|
|
return ((*boost::forward<A0>(a0)).*f)(boost::forward<Args>(args)...);
|
||
|
|
}
|
||
|
|
|
||
|
|
// bullets 3 and 4
|
||
|
|
|
||
|
|
template <class Fp, class A0>
|
||
|
|
inline
|
||
|
|
auto
|
||
|
|
invoke(Fp&& f, A0&& a0)
|
||
|
|
-> decltype(boost::forward<A0>(a0).*f)
|
||
|
|
{
|
||
|
|
return boost::forward<A0>(a0).*f;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class Fp, class A0>
|
||
|
|
inline
|
||
|
|
auto
|
||
|
|
invoke(Fp&& f, A0&& a0)
|
||
|
|
-> decltype((*boost::forward<A0>(a0)).*f)
|
||
|
|
{
|
||
|
|
return (*boost::forward<A0>(a0)).*f;
|
||
|
|
}
|
||
|
|
|
||
|
|
// bullet 5
|
||
|
|
|
||
|
|
template <class Fp, class ...Args>
|
||
|
|
inline
|
||
|
|
auto invoke(Fp&& f, Args&& ...args)
|
||
|
|
-> decltype(boost::forward<Fp>(f)(boost::forward<Args>(args)...))
|
||
|
|
{
|
||
|
|
return boost::forward<Fp>(f)(boost::forward<Args>(args)...);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // header
|