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 12 // class function<R(ArgTypes...)> 13 14 // R operator()(ArgTypes... args) const 15 16 #include <functional> 17 #include <cassert> 18 19 // member data pointer: cv qualifiers should transfer from argument to return type 20 21 struct A_int_1 22 { A_int_1A_int_123 A_int_1() : data_(5) {} 24 25 int data_; 26 }; 27 28 void test_int_1()29test_int_1() 30 { 31 // member data pointer 32 { 33 int A_int_1::*fp = &A_int_1::data_; 34 A_int_1 a; 35 std::function<int& (const A_int_1*)> r2(fp); 36 const A_int_1* ap = &a; 37 assert(r2(ap) == 6); 38 r2(ap) = 7; 39 assert(r2(ap) == 7); 40 } 41 } 42 main()43int main() 44 { 45 test_int_1(); 46 } 47