let to_int: int32 => int;let add: int32 => int32 => int32;let shift_left: int32 => int => int32;let shift_right_logical: int32 => int => int32;let shift_right: int32 => int => int32;let logand: int32 => int32 => int32;let logxor: int32 => int32 => int32;let logor: int32 => int32 => int32;let of_int: int => int32;let mul: int32 => int32 => int32;