1234567891011121314151617181920212223242526272829303132333435363738394041424344 |
- /*<-
- 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, "");
- }
- }
- //]
|