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/*<-
Copyright Barrett Adair 2016-2017
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http ://boost.org/LICENSE_1_0.txt)
->*/
//[ add_varargs
#include <type_traits>
#include <boost/callable_traits/add_varargs.hpp>
namespace ct = boost::callable_traits;
struct foo {};
int main() {
{
using f = void(int);
using expect = void(int, ...);
using test = ct::add_varargs_t<f>;
static_assert(std::is_same<test, expect>::value, "");
} {
using fp = void(*)();
using expect = void(*)(...);
using test = ct::add_varargs_t<fp>;
static_assert(std::is_same<test, expect>::value, "");
} {
using fr = void(&)(const char*);
using expect = void(&)(const char*, ...);
using test = ct::add_varargs_t<fr>;
static_assert(std::is_same<test, expect>::value, "");
} {
using pmf = void(foo::*)() const;
using expect = void(foo::*)(...) const;
using test = ct::add_varargs_t<pmf>;
static_assert(std::is_same<test, expect>::value, "");
// add_varargs_t doesn't change anything when
// the type already has varargs.
using twice = ct::add_varargs_t<test>;
static_assert(std::is_same<test, twice>::value, "");
}
}
//]
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