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Posted to notifications@groovy.apache.org by "Eric Milles (Jira)" <ji...@apache.org> on 2022/05/20 14:24:00 UTC
[jira] [Assigned] (GROOVY-10633) Invalid type substitution when encountering bounded type parameter and the diamond operator
[ https://issues.apache.org/jira/browse/GROOVY-10633?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eric Milles reassigned GROOVY-10633:
------------------------------------
Assignee: Eric Milles
> Invalid type substitution when encountering bounded type parameter and the diamond operator
> -------------------------------------------------------------------------------------------
>
> Key: GROOVY-10633
> URL: https://issues.apache.org/jira/browse/GROOVY-10633
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Reporter: Thodoris Sotiropoulos
> Assignee: Eric Milles
> Priority: Major
>
> This bug is a regression.
> I have the following program:
> {code}
> class A<T, Y> {
> B<Y> f;
> A(B<Y> x, T y) {}
> }
> class B<T> {
> void m(T x) {}
> }
> class Test {
> <T extends Number> void test() {
> def x = new B<T>();
> new A<>(x, "").f.m((T) null);
> }
> }
> {code}
> h3. Actual behavior
> {code}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
> test.groovy: 13: [Static type checking] - Cannot find matching method B#m(T). Please check if the declared type is correct and if the method exists.
> @ line 13, column 5.
> new A<>(x, "").f.m((T) null);
> ^
> 1 error
> {code}
> h3. Expected behaviour
> Compile successfully
> Tested against master (commit: a976ecdee1f17f7fafc55767de2d857c44d44697)
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