25 lines
569 B
C++
25 lines
569 B
C++
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/*<-
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Copyright (c) 2016 Barrett Adair
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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->*/
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//[ is_invocable
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#include <type_traits>
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#include <boost/callable_traits/is_invocable.hpp>
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namespace ct = boost::callable_traits;
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struct foo {
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template<typename T>
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typename std::enable_if<std::is_integral<T>::value>::type
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operator()(T){}
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};
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static_assert(ct::is_invocable<foo, int>::value, "");
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static_assert(!ct::is_invocable<foo, double>::value, "");
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int main() {}
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//]
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