mirror of
https://github.com/catchorg/Catch2.git
synced 2024-11-22 21:36:11 +01:00
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/*
|
|
* Created by Phil on 15/04/2013.
|
|
* Copyright 2013 Two Blue Cubes Ltd. All rights reserved.
|
|
*
|
|
* 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 TWOBLUECUBES_CATCH_SFINAE_HPP_INCLUDED
|
|
#define TWOBLUECUBES_CATCH_SFINAE_HPP_INCLUDED
|
|
|
|
// Try to detect if the current compiler supports SFINAE
|
|
#include "catch_compiler_capabilities.h"
|
|
|
|
namespace Catch {
|
|
|
|
struct TrueType {
|
|
static const bool value = true;
|
|
typedef void Enable;
|
|
char sizer[1];
|
|
};
|
|
struct FalseType {
|
|
static const bool value = false;
|
|
typedef void Disable;
|
|
char sizer[2];
|
|
};
|
|
|
|
#ifdef CATCH_CONFIG_SFINAE
|
|
|
|
template<bool> struct NotABooleanExpression;
|
|
|
|
template<bool c> struct If : NotABooleanExpression<c> {};
|
|
template<> struct If<true> : TrueType {};
|
|
template<> struct If<false> : FalseType {};
|
|
|
|
template<int size> struct SizedIf;
|
|
template<> struct SizedIf<sizeof(TrueType)> : TrueType {};
|
|
template<> struct SizedIf<sizeof(FalseType)> : FalseType {};
|
|
|
|
#endif // CATCH_CONFIG_SFINAE
|
|
|
|
} // end namespace Catch
|
|
|
|
#endif // TWOBLUECUBES_CATCH_SFINAE_HPP_INCLUDED
|
|
|