ceph/src/boost/boost/hof/detail/make.hpp

   1 /*=============================================================================
   2     Copyright (c) 2015 Paul Fultz II
   3     make.h
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 ==============================================================================*/
   7
   8 #ifndef BOOST_HOF_GUARD_MAKE_H
   9 #define BOOST_HOF_GUARD_MAKE_H
  10
  11 #include <boost/hof/detail/move.hpp>
  12 #include <boost/hof/detail/join.hpp>
  13 #include <boost/hof/detail/delegate.hpp>
  14
  15 namespace boost { namespace hof { namespace detail {
  16
  17 template<template<class...> class Adaptor>
  18 struct make
  19 {
  20     constexpr make() noexcept
  21     {}
  22     template<class... Fs, class Result=BOOST_HOF_JOIN(Adaptor, Fs...)>
  23     constexpr Result operator()(Fs... fs) const BOOST_HOF_NOEXCEPT_CONSTRUCTIBLE(Result, Fs&&...)
  24     {
  25         return Result(static_cast<Fs&&>(fs)...);
  26     }
  27 };
  28
  29 }}} // namespace boost::hof
  30
  31 #endif