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externals: Update boost to 1.72 and add Boost Context

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Fernando Sahmkow 2020-02-10 12:31:57 -04:00
parent 5e8300b76a
commit 77abe07b3b
618 changed files with 96299 additions and 14263 deletions
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111
boost/mp11/bind.hpp
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@ -1,111 +0,0 @@
#ifndef BOOST_MP11_BIND_HPP_INCLUDED
#define BOOST_MP11_BIND_HPP_INCLUDED
// Copyright 2017, 2018 Peter Dimov.
//
// 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
#include <boost/mp11/algorithm.hpp>
#include <boost/mp11/utility.hpp>
#include <cstddef>
namespace boost
{
namespace mp11
{
// mp_bind_front
template<template<class...> class F, class... T> struct mp_bind_front
{
// the indirection through mp_defer works around the language inability
// to expand U... into a fixed parameter list of an alias template
template<class... U> using fn = typename mp_defer<F, T..., U...>::type;
};
template<class Q, class... T> using mp_bind_front_q = mp_bind_front<Q::template fn, T...>;
// mp_bind_back
template<template<class...> class F, class... T> struct mp_bind_back
{
template<class... U> using fn = typename mp_defer<F, U..., T...>::type;
};
template<class Q, class... T> using mp_bind_back_q = mp_bind_back<Q::template fn, T...>;
// mp_arg
template<std::size_t I> struct mp_arg
{
template<class... T> using fn = mp_at_c<mp_list<T...>, I>;
};
using _1 = mp_arg<0>;
using _2 = mp_arg<1>;
using _3 = mp_arg<2>;
using _4 = mp_arg<3>;
using _5 = mp_arg<4>;
using _6 = mp_arg<5>;
using _7 = mp_arg<6>;
using _8 = mp_arg<7>;
using _9 = mp_arg<8>;
// mp_bind
template<template<class...> class F, class... T> struct mp_bind;
namespace detail
{
template<class V, class... T> struct eval_bound_arg
{
using type = V;
};
template<std::size_t I, class... T> struct eval_bound_arg<mp_arg<I>, T...>
{
using type = typename mp_arg<I>::template fn<T...>;
};
template<template<class...> class F, class... U, class... T> struct eval_bound_arg<mp_bind<F, U...>, T...>
{
using type = typename mp_bind<F, U...>::template fn<T...>;
};
template<template<class...> class F, class... U, class... T> struct eval_bound_arg<mp_bind_front<F, U...>, T...>
{
using type = typename mp_bind_front<F, U...>::template fn<T...>;
};
template<template<class...> class F, class... U, class... T> struct eval_bound_arg<mp_bind_back<F, U...>, T...>
{
using type = typename mp_bind_back<F, U...>::template fn<T...>;
};
} // namespace detail
template<template<class...> class F, class... T> struct mp_bind
{
#if BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, == 1915 )
private:
template<class... U> struct _f { using type = F<typename detail::eval_bound_arg<T, U...>::type...>; };
public:
template<class... U> using fn = typename _f<U...>::type;
#else
template<class... U> using fn = F<typename detail::eval_bound_arg<T, U...>::type...>;
#endif
};
template<class Q, class... T> using mp_bind_q = mp_bind<Q::template fn, T...>;
} // namespace mp11
} // namespace boost
#endif // #ifndef BOOST_MP11_BIND_HPP_INCLUDED