[jira] [Created] (GROOVY-9997) STC: cast or coerce to functional interface fails to infer param types of closure/lambda

["Eric Milles (Jira)" <ji...@apache.org>]

Eric Milles created GROOVY-9997:
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             Summary: STC: cast or coerce to functional interface fails to infer param types of closure/lambda
                 Key: GROOVY-9997
                 URL: https://issues.apache.org/jira/browse/GROOVY-9997
             Project: Groovy
          Issue Type: Bug
            Reporter: Eric Milles
            Assignee: Eric Milles


Variation of GROOVY-9977. Consider the following:
{code:groovy}
@groovy.transform.TypeChecked
def stc() {
  return (Comparator<Integer>) { a, b -> Integer.compareTo(a, b) }
}
{code}
When casting or coercing a closure/lambda expression the type checker fails to infer the parameter types.

{{[Static type checking] - Cannot find matching method java.lang.Integer#compareTo(java.lang.Object, java.lang.Object). Please check if the declared type is correct and if the method exists.}}



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