contract C { function f() pure public { g(keccak256(uint(2))); g(sha256(uint(2))); g(ripemd160(uint(2))); } function g(bytes32) pure internal {} } // ---- // TypeError: (64-71): Invalid type for argument in function call. Invalid implicit conversion from "uint256" to "bytes memory" requested. This function requires a single "bytes" argument. Use "abi.encodePacked(...)" to obtain the pre-0.5.0 behaviour or "abi.encode(...)" to use ABI encoding. // TypeError: (92-99): Invalid type for argument in function call. Invalid implicit conversion from "uint256" to "bytes memory" requested. This function requires a single "bytes" argument. Use "abi.encodePacked(...)" to obtain the pre-0.5.0 behaviour or "abi.encode(...)" to use ABI encoding. // TypeError: (123-130): Invalid type for argument in function call. Invalid implicit conversion from "uint256" to "bytes memory" requested. This function requires a single "bytes" argument. Use "abi.encodePacked(...)" to obtain the pre-0.5.0 behaviour or "abi.encode(...)" to use ABI encoding.