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- /*<-
- 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)
- ->*/
- //[ is_invocable
- #include <type_traits>
- #include <boost/callable_traits/is_invocable.hpp>
- namespace ct = boost::callable_traits;
- struct foo {
- template<typename T>
- typename std::enable_if<std::is_integral<T>::value>::type
- operator()(T){}
- };
- static_assert(ct::is_invocable<foo, int>::value, "");
- static_assert(!ct::is_invocable<foo, double>::value, "");
- int main() {}
- //]
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