Operator : string Cases DIFFERENT = '<>' EQUAL = '==' GREATER_THAN = '>' GREATER_THAN_EQUAL = '>=' IDENTICAL = '===' LESS_THAN = '<' LESS_THAN_EQUAL = '<=' NOT_EQUAL = '!=' NOT_IDENTICAL = '!==' SPACE_SHIP = '<=>' Cases DIFFERENT EQUAL GREATER_THAN GREATER_THAN_EQUAL IDENTICAL LESS_THAN LESS_THAN_EQUAL NOT_EQUAL NOT_IDENTICAL SPACE_SHIP ×