[GROOVY-2408] Groovy does not respect covariant return types when overriding methods from Object

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.5.1
• Assignee: Jochen Theodorou
• Reporter: Jochen Theodorou
• Created: 17/Dec/07 06:51
• Updated: 21/Dec/07 04:44
• Resolved: 21/Dec/07 04:44

Description

the compiler allows classes such as

 class X1 {
        Long toString() { 333L }  // Should not be allowed
        String hashCode() { "hash" } // Should also not be allowed
     }

which it should not