/*<- 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) ->*/ #include <boost/callable_traits/detail/config.hpp> #ifdef BOOST_CLBL_TRTS_DISABLE_ABOMINABLE_FUNCTIONS int main(){ return 0; } #else //[ function_type #include <type_traits> #include <boost/callable_traits.hpp> namespace ct = boost::callable_traits; template<typename T> void test(){ // this example shows how boost::callable_traits::function_type_t // bevaves consistently for many different types using type = ct::function_type_t<T>; using expect = void(int, float&, const char*); static_assert(std::is_same<expect, type>{}, ""); } int main() { auto lamda = [](int, float&, const char*){}; using lam = decltype(lamda); test<lam>(); using function_ptr = void(*)(int, float&, const char*); test<function_ptr>(); using function_ref = void(&)(int, float&, const char*); test<function_ref>(); using function = void(int, float&, const char*); test<function>(); using abominable = void(int, float&, const char*) const; test<abominable>(); } //] #endif //#ifdef BOOST_CLBL_TRTS_DISABLE_ABOMINABLE_FUNCTIONS