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exclude ctor with forwarding-reference from overload resolution

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- prevents ctor with forwarding-reference to be used a copy-ctor
This commit is contained in:
Oliver Kowalke 2015-12-16 16:38:18 +01:00
parent 6898e58f13
commit 214b15674c
5 changed files with 74 additions and 12 deletions
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34
include/boost/coroutine2/detail/disable_overload.hpp Normal file
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@ -0,0 +1,34 @@
// Copyright Oliver Kowalke 2014.
// 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)
#ifndef BOOST_COROUTINES2_DETAIL_DISABLE_OVERLOAD_H
#define BOOST_COROUTINES2_DETAIL_DISABLE_OVERLOAD_H
#include <type_traits>
#include <boost/config.hpp>
#include <boost/context/detail/disable_overload.hpp>
#include <boost/coroutine2/detail/config.hpp>
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_PREFIX
#endif
namespace boost {
namespace coroutines2 {
namespace detail {
template< typename X, typename Y >
using disable_overload = boost::context::detail::disable_overload< X, Y >;
}}}
#ifdef BOOST_HAS_ABI_HEADERS
#include BOOST_ABI_SUFFIX
#endif
#endif // BOOST_COROUTINES2_DETAIL_DISABLE_OVERLOAD_H

13
include/boost/coroutine2/detail/pull_coroutine.hpp
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@ -14,6 +14,7 @@
#include <boost/config.hpp>
#include <boost/coroutine2/detail/config.hpp>
#include <boost/coroutine2/detail/disable_overload.hpp>
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_PREFIX
@ -38,7 +39,9 @@ private:
bool has_result_() const noexcept;
public:
template< typename Fn >
template< typename Fn,
typename = detail::disable_overload< pull_coroutine, Fn >
>
explicit pull_coroutine( Fn &&);
template< typename StackAllocator, typename Fn >
@ -148,7 +151,9 @@ private:
bool has_result_() const noexcept;
public:
template< typename Fn >
template< typename Fn,
typename = detail::disable_overload< pull_coroutine, Fn >
>
explicit pull_coroutine( Fn &&);
template< typename StackAllocator, typename Fn >
@ -256,7 +261,9 @@ private:
explicit pull_coroutine( control_block *) noexcept;
public:
template< typename Fn >
template< typename Fn,
typename = detail::disable_overload< pull_coroutine, Fn >
>
explicit pull_coroutine( Fn &&);
template< typename StackAllocator, typename Fn >

13
include/boost/coroutine2/detail/pull_coroutine.ipp
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@ -15,6 +15,7 @@
#include <boost/coroutine2/detail/config.hpp>
#include <boost/coroutine2/detail/create_control_block.ipp>
#include <boost/coroutine2/detail/disable_overload.hpp>
#include <boost/coroutine2/fixedsize_stack.hpp>
#include <boost/coroutine2/segmented_stack.hpp>
@ -40,7 +41,9 @@ pull_coroutine< T >::has_result_() const noexcept {
}
template< typename T >
template< typename Fn >
template< typename Fn,
typename
>
pull_coroutine< T >::pull_coroutine( Fn && fn) :
pull_coroutine{ default_stack(), std::forward< Fn >( fn) } {
}
@ -107,7 +110,9 @@ pull_coroutine< T & >::has_result_() const noexcept {
}
template< typename T >
template< typename Fn >
template< typename Fn,
typename
>
pull_coroutine< T & >::pull_coroutine( Fn && fn) :
pull_coroutine{ default_stack(), std::forward< Fn >( fn) } {
}
@ -167,7 +172,9 @@ pull_coroutine< void >::pull_coroutine( control_block * cb) noexcept :
cb_{ cb } {
}
template< typename Fn >
template< typename Fn,
typename
>
pull_coroutine< void >::pull_coroutine( Fn && fn) :
pull_coroutine{ default_stack(), std::forward< Fn >( fn) } {
}

13
include/boost/coroutine2/detail/push_coroutine.hpp
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@ -14,6 +14,7 @@
#include <boost/config.hpp>
#include <boost/coroutine2/detail/config.hpp>
#include <boost/coroutine2/detail/disable_overload.hpp>
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_PREFIX
@ -36,7 +37,9 @@ private:
explicit push_coroutine( control_block *) noexcept;
public:
template< typename Fn >
template< typename Fn,
typename = detail::disable_overload< push_coroutine, Fn >
>
explicit push_coroutine( Fn &&);
template< typename StackAllocator, typename Fn >
@ -114,7 +117,9 @@ private:
explicit push_coroutine( control_block *) noexcept;
public:
template< typename Fn >
template< typename Fn,
typename = detail::disable_overload< push_coroutine, Fn >
>
explicit push_coroutine( Fn &&);
template< typename StackAllocator, typename Fn >
@ -190,7 +195,9 @@ private:
explicit push_coroutine( control_block *) noexcept;
public:
template< typename Fn >
template< typename Fn,
typename = detail::disable_overload< push_coroutine, Fn >
>
explicit push_coroutine( Fn &&);
template< typename StackAllocator, typename Fn >

13
include/boost/coroutine2/detail/push_coroutine.ipp
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@ -14,6 +14,7 @@
#include <boost/coroutine2/detail/config.hpp>
#include <boost/coroutine2/detail/create_control_block.ipp>
#include <boost/coroutine2/detail/disable_overload.hpp>
#include <boost/coroutine2/fixedsize_stack.hpp>
#include <boost/coroutine2/segmented_stack.hpp>
@ -33,7 +34,9 @@ push_coroutine< T >::push_coroutine( control_block * cb) noexcept :
}
template< typename T >
template< typename Fn >
template< typename Fn,
typename
>
push_coroutine< T >::push_coroutine( Fn && fn) :
push_coroutine{ default_stack(), std::forward< Fn >( fn) } {
}
@ -91,7 +94,9 @@ push_coroutine< T & >::push_coroutine( control_block * cb) noexcept :
}
template< typename T >
template< typename Fn >
template< typename Fn,
typename
>
push_coroutine< T & >::push_coroutine( Fn && fn) :
push_coroutine{ default_stack(), std::forward< Fn >( fn) } {
}
@ -141,7 +146,9 @@ push_coroutine< void >::push_coroutine( control_block * cb) noexcept :
cb_{ cb } {
}
template< typename Fn >
template< typename Fn,
typename
>
push_coroutine< void >::push_coroutine( Fn && fn) :
push_coroutine{ default_stack(), std::forward< Fn >( fn) } {
}