1 // [over.match.conv]: For direct-initialization, those explicit conversion 2 // functions that are not hidden within S and yield type T or a type that 3 // can be converted to type T with a qualification conversion (4.4) are 4 // also candidate functions. 5 6 // { dg-do compile { target c++11 } } 7 // { dg-options "" } 8 9 struct A { }; 10 struct B: A { }; 11 struct C { 12 explicit operator B*(); // { dg-message "explicit" } 13 explicit operator B&(); // { dg-message "explicit" "" { target c++17_down } } 14 }; 15 16 C c; 17 A* ap (c); // { dg-error "" } 18 A& ar (c); // { dg-error "" } 19