mem_fun1_t.pass.cpp (869B)
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 // mem_fun1_t 14 15 #include <functional> 16 #include <type_traits> 17 #include <cassert> 18 19 struct A 20 { 21 char a1() {return 5;} 22 short a2(int i) {return short(i+1);} 23 int a3() const {return 1;} 24 double a4(unsigned i) const {return i-1;} 25 }; 26 27 int main() 28 { 29 typedef std::mem_fun1_t<short, A, int> F; 30 static_assert((std::is_base_of<std::binary_function<A*, int, short>, F>::value), ""); 31 const F f(&A::a2); 32 A a; 33 assert(f(&a, 5) == 6); 34 }