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Diffstat (limited to 'src/boost/libs/callable_traits/example/has_varargs.cpp')
| -rw-r--r-- | src/boost/libs/callable_traits/example/has_varargs.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/boost/libs/callable_traits/example/has_varargs.cpp b/src/boost/libs/callable_traits/example/has_varargs.cpp new file mode 100644 index 000000000..1dd66fd44 --- /dev/null +++ b/src/boost/libs/callable_traits/example/has_varargs.cpp @@ -0,0 +1,24 @@ +/*<- +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 |