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/*<-

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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