ff46409221
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@187357 91177308-0d34-0410-b5e6-96231b3b80d8
32 lines
802 B
C++
32 lines
802 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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// minus
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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::minus<int> F;
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const F f = F();
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static_assert((std::is_base_of<std::binary_function<int, int, int>, F>::value), "");
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assert(f(3, 2) == 1);
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#if _LIBCPP_STD_VER > 11
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typedef std::minus<> F2;
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const F2 f2 = F2();
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assert(f2(3,2) == 1);
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assert(f2(3.0, 2) == 1);
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assert(f2(3, 2.5) == 0.5);
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#endif
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}
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