Thodoris Sotiropoulos created GROOVY-10221:
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Summary: Unexpected compile-time error when combining closures and
bounded type parameters
Key: GROOVY-10221
URL: https://issues.apache.org/jira/browse/GROOVY-10221
Project: Groovy
Issue Type: Bug
Components: Static Type Checker
Reporter: Thodoris Sotiropoulos
Program
{code:java}
class A<T1, T2 extends T1> {
void foo() {
def cls1 = { T2 x -> "" }
Closure<T2> cls2 = { T2 x -> x }
cls1(cls2((T2) null))
}
}
{code}
h3. Actual Behavior
{code:java}
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
test.groovy: 5: [Static type checking] - Cannot call closure that accepts [T2]
with [T1]
@ line 5, column 9.
cls1(cls2((T2) null))
^1 error
{code}
h3. Expected Behavior
Compile successfully
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