25 lines
627 B
C++
25 lines
627 B
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <functional>
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// negate
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#include <functional>
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#include <type_traits>
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#include <cassert>
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int main()
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{
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typedef std::negate<int> F;
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const F f = F();
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static_assert((std::is_base_of<std::unary_function<int, int>, F>::value), "");
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assert(f(36) == -36);
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}
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