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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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