[jira] [Created] (GROOVY-10264) Issue with the diamond operator and conditional

["Thodoris Sotiropoulos (Jira)" <ji...@apache.org>]

Thodoris Sotiropoulos created GROOVY-10264:
----------------------------------------------

             Summary: Issue with the diamond operator and conditional
                 Key: GROOVY-10264
                 URL: https://issues.apache.org/jira/browse/GROOVY-10264
             Project: Groovy
          Issue Type: Bug
          Components: Static Type Checker
            Reporter: Thodoris Sotiropoulos


I have the following program
{code:java}
class A<T extends Number> {
  T foo() {
    T x = null;
    (true) ?
      new B<>(x).f: new B<>(x).f
  }
}
class B<X> {
  X f;
  B(X x) {
    this.f = f;
  }
}
{code}
h3. Actual behaviour
{code:java}
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
test.groovy: 4: [Static type checking] - Cannot return value of type java.lang.Object on method returning type T
 @ line 4, column 5.
       (true) ?
       ^1 error

{code}
h3. Expected Behaviour

Compile successfuly

 

Tested against master (https://github.com/apache/groovy/commit/2a97313250875d60df82302f31d77dd7f07ae685)



--
This message was sent by Atlassian Jira
(v8.3.4#803005)