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Phase one of getting rid of std::function usage

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This commit is contained in:
Jason Turner
2015-05-22 09:30:42 -06:00
parent 33a929ef93
commit 03143a9f83
4 changed files with 102 additions and 13 deletions
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39
include/chaiscript/dispatchkit/callable_traits.hpp Normal file
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// This file is distributed under the BSD License.
// See "license.txt" for details.
// Copyright 2009-2012, Jonathan Turner (jonathan@emptycrate.com)
// Copyright 2009-2015, Jason Turner (jason@emptycrate.com)
// http://www.chaiscript.com
#ifndef CHAISCRIPT_CALLABLE_TRAITS_HPP_
#define CHAISCRIPT_CALLABLE_TRAITS_HPP_
namespace chaiscript {
namespace dispatch {
namespace detail {
template<typename T>
struct Function_Signature
{
typedef T Signature;
};
template<typename T>
struct Callable_Traits
{
template<typename Ret, typename ... Param>
static Ret deduce_ret_type(Ret (T::*)(Param...) const);
template<typename Ret, typename ... Param>
static Function_Signature<Ret (Param...)> deduce_sig_type(Ret (T::*)(Param...) const);
typedef decltype(deduce_ret_type(&T::operator())) Return_Type;
typedef typename decltype(deduce_sig_type(&T::operator()))::Signature Signature;
typedef decltype(deduce_sig_type(&T::operator())) Signature_Object;
};
}
}
}
#endif