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https://issues.apache.org/jira/browse/GROOVY-10624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Milles resolved GROOVY-10624.
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Fix Version/s: 5.0.0-alpha-1
Resolution: Fixed
https://github.com/apache/groovy/commit/581e54b1e906a406d08ee330f7d812854f04a967
> Nested diamond operators do not work correctly although the expected type
> argument is known
> -------------------------------------------------------------------------------------------
>
> Key: GROOVY-10624
> URL: https://issues.apache.org/jira/browse/GROOVY-10624
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Reporter: Thodoris Sotiropoulos
> Assignee: Eric Milles
> Priority: Major
> Fix For: 5.0.0-alpha-1
>
>
> I have the following program:
> {code}
> class C<T> {
> C(D<T> x) {}
> }
> class D<T> {}
> class Test {
> void test() {
> C<Float> x = new C<>(new D<>()); // type variables are instantiated with
> type Float because of the left-hand side.
> }
> }
> {code}
> h3. Actual behavior
> {code}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup
> failed:
> test.groovy: 10: [Static type checking] - Incompatible generic argument
> types. Cannot assign C<java.lang.Object> to: C<java.lang.Float>
> @ line 10, column 18.
> C<Float> x = new C<>(new D<>());
> ^
> 1 error
> {code}
> h3. Expected behavior
> Compile successfully
> Tested against master (commit: ee12bb52381e8f0583c61fc25d43de1f55b80a87)
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