const_mem_fun.pass.cpp (800B)
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<cReturnable S, ClassType T> 14 // const_mem_fun_t<S,T> 15 // mem_fun(S (T::*f)() const); 16 17 #include <functional> 18 #include <cassert> 19 20 struct 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 28 int main() 29 { 30 const A a = A(); 31 assert(std::mem_fun(&A::a3)(&a) == 1); 32 }