contract C { function g(bool b) public pure returns (uint, uint) { require(b, "message"); return (1, 2); } function f(bool b) public returns (uint x, uint y, string memory txt) { try this.g(b) returns (uint a, uint b) { (x, y) = (a, b); txt = "success"; } catch Error(string memory s) { txt = s; } } } // ==== // EVMVersion: >=byzantium // compileViaYul: also // ---- // f(bool): true -> 1, 2, 0x60, 7, "success" // f(bool): false -> 0, 0, 0x60, 7, "message"