c52f43e72d
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111767 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
707 B
C++
27 lines
707 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 distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <functional>
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// pointer_to_unary_function
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#include <functional>
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#include <type_traits>
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#include <cassert>
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double unary_f(int i) {return 0.5 - i;}
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int main()
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{
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typedef std::pointer_to_unary_function<int, double> F;
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static_assert((std::is_base_of<std::unary_function<int, double>, F>::value), "");
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const F f(unary_f);
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assert(f(36) == -35.5);
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}
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