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hof/fit/protect.h

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/*=============================================================================
Copyright (c) 2014 Paul Fultz II
protect.h
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 FIT_GUARD_FUNCTION_PROTECT_H
#define FIT_GUARD_FUNCTION_PROTECT_H
/// protect
/// =======
///
/// Description
/// -----------
///
/// The `protect` function adaptor can be used to make a bind expression be
/// treated a regular function instead.
///
/// Synopsis
/// --------
///
/// template<class F>
/// constexpr protect_adaptor<F> protect(F f);
///
/// Requirements
/// ------------
///
/// F must be:
///
/// FunctionObject
/// MoveConstructible
///
#include <utility>
#include <fit/reveal.h>
#include <fit/detail/forward.h>
#include <fit/detail/make.h>
#include <fit/detail/static_const_var.h>
namespace fit {
template<class F>
struct protect_adaptor : F
{
template<class... Ts>
constexpr protect_adaptor(Ts&&... xs) : F(fit::forward<Ts>(xs)...)
{}
};
FIT_DECLARE_STATIC_VAR(protect, detail::make<protect_adaptor>);
}
#endif