[ceph.git] / ceph / src / boost / libs / callable_traits / example / has_varargs.cpp

/*<-
Copyright (c) 2016 Barrett Adair

Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
->*/

#ifdef BOOST_CLBL_TRTS_MSVC
// MSVC requires __cdecl for varargs, and I don't want to clutter the example
int main(){}
#else
    
//[ has_varargs
#include <type_traits>
#include <boost/callable_traits/has_varargs.hpp>

namespace ct = boost::callable_traits;

static_assert(ct::has_varargs<int(...)>::value, "");
static_assert(!ct::has_varargs<int()>::value, "");

int main() {}
//]
#endif
Commit	Line	Data
b32b8144 FG	1	/*<-
	2	Copyright (c) 2016 Barrett Adair
	3
	4	Distributed under the Boost Software License, Version 1.0.
	5	(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
	6	->*/
	7
	8	#ifdef BOOST_CLBL_TRTS_MSVC
	9	// MSVC requires __cdecl for varargs, and I don't want to clutter the example
	10	int main(){}
	11	#else
	12
	13	//[ has_varargs
	14	#include <type_traits>
	15	#include <boost/callable_traits/has_varargs.hpp>
	16
	17	namespace ct = boost::callable_traits;
	18
	19	static_assert(ct::has_varargs<int(...)>::value, "");
	20	static_assert(!ct::has_varargs<int()>::value, "");
	21
	22	int main() {}
	23	//]
	24	#endif