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Posted to notifications@groovy.apache.org by "Thodoris Sotiropoulos (Jira)" <ji...@apache.org> on 2021/10/21 11:36:00 UTC

[jira] [Created] (GROOVY-10322) Type variable of function does not shadow the corresponding type variable of class

Thodoris Sotiropoulos created GROOVY-10322:
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             Summary: Type variable of function does not shadow the corresponding type variable of class
                 Key: GROOVY-10322
                 URL: https://issues.apache.org/jira/browse/GROOVY-10322
             Project: Groovy
          Issue Type: Bug
          Components: Static Type Checker
            Reporter: Thodoris Sotiropoulos


I have the following program

{code:java}
class A<T> {
  <T> T foo(T t) { return t; }
}


class B {

  void bar(int x) {}

  void test() {
    int x = (new A<String>()).foo(1);
  }
}
{code}

h3. Actual behaviour

{code}
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
test.groovy: 11: [Static type checking] - Cannot find matching method A#foo(int). Please check if the declared type is correct and if the method exists.
 @ line 11, column 13.
       int x = (new A<String>()).foo(1);
               ^

1 error

{code}

h3. Expected behaviour

Compile successfully

Tested against master



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