cxx/test/utilities/function.objects/function.pointer.adaptors/ptr_fun1.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

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C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <functional>
// template <CopyConstructible Arg, Returnable Result>
// pointer_to_unary_function<Arg, Result>
// ptr_fun(Result (*f)(Arg));
#include <functional>
#include <type_traits>
#include <cassert>
double unary_f(int i) {return 0.5 - i;}
int main()
{
assert(std::ptr_fun(unary_f)(36) == -35.5);
}