1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <functional> 11// REQUIRES: c++98 || c++03 || c++11 || c++14 12 13// template<Returnable S, ClassType T, CopyConstructible A> 14// const_mem_fun1_ref_t<S,T,A> 15// mem_fun_ref(S (T::*f)(A) const); 16 17#include <functional> 18#include <cassert> 19 20struct A 21{ 22 char a1() {return 5;} 23 short a2(int i) {return short(i+1);} 24 int a3() const {return 1;} 25 double a4(unsigned i) const {return i-1;} 26}; 27 28int main() 29{ 30 const A a = A(); 31 assert(std::mem_fun_ref(&A::a4)(a, 6) == 5); 32} 33