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rename */udl.hpp -> literals.hpp [destructive]

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bolero-MURAKAMI 2016-08-14 16:02:23 +09:00
parent fea5e752bd
commit 92c7169221
22 changed files with 259 additions and 145 deletions
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65
sprout/functional/bind/literals.hpp Normal file
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/*=============================================================================
Copyright (c) 2011-2016 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
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 SPROUT_FUNCTIONAL_BIND_LITERALS_HPP
#define SPROUT_FUNCTIONAL_BIND_LITERALS_HPP
#include <sprout/config.hpp>
#include <sprout/functional/bind/placeholder.hpp>
#include <sprout/detail/udl_namespace.hpp>
#if SPROUT_USE_USER_DEFINED_LITERALS
#include <sprout/type_traits/identity.hpp>
#include <sprout/detail/digits_to_int.hpp>
namespace sprout {
//
// placeholders_result
// variadic_placeholders_result
//
template<char... Chars>
struct placeholders_result
: public sprout::identity<
sprout::placeholder<sprout::detail::digits_to_int<int, Chars...>::value>
>
{};
template<char... Chars>
struct variadic_placeholders_result
: public sprout::identity<
sprout::placeholder<sprout::is_placeholder<decltype(sprout::placeholders::_va)>::value - sprout::detail::digits_to_int<int, Chars...>::value>
>
{};
namespace literals {
namespace placeholders {
//
// _
// _tail
//
template<char... Chars>
SPROUT_CONSTEXPR typename sprout::placeholders_result<Chars...>::type
operator"" _() {
typedef typename sprout::placeholders_result<Chars...>::type type;
return type();
}
template<char... Chars>
SPROUT_CONSTEXPR typename sprout::variadic_placeholders_result<Chars...>::type
operator"" _tail() {
typedef typename sprout::variadic_placeholders_result<Chars...>::type type;
return type();
}
} // namespace placeholders
using sprout::literals::placeholders::operator"" _;
using sprout::literals::placeholders::operator"" _tail;
} // namespace literals
} // namespace sprout
#endif // #if SPROUT_USE_USER_DEFINED_LITERALS
#endif // #ifndef SPROUT_FUNCTIONAL_BIND_LITERALS_HPP