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https://issues.apache.org/jira/browse/GROOVY-8660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17363714#comment-17363714
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Eric Milles commented on GROOVY-8660:
-------------------------------------
That said, I think the method selection is working as intended. Are you
looking for a change in one of the cases?
> Unexpected MethodSelectionException with implicit null argument
> ---------------------------------------------------------------
>
> Key: GROOVY-8660
> URL: https://issues.apache.org/jira/browse/GROOVY-8660
> Project: Groovy
> Issue Type: Bug
> Affects Versions: 3.0.0-alpha-2, 2.4.15, 2.5.0
> Reporter: Daniil Ovchinnikov
> Priority: Major
>
> {code:groovy}
> class OnlySingle {
> def foo(a) { "single param: $a" }
> }
> println new OnlySingle().foo()
> // as expected: 'single param: null'
> class OnlyVararg {
> def foo(a, ... b) { "vararg param: $a, $b" }
> }
> println new OnlyVararg().foo()
> // as expected: 'MME: No signature of method: OnlyVararg.foo() is applicable
> for argument types: () values: []'
> class Both {
> def foo(a) { "single param: $a" }
> def foo(a, ... b) { "vararg param: $a, $b" }
> }
> println new Both().foo()
> // unexpected:
> // MethodSelectionException: Could not find which method foo() to invoke from
> this list:
> // public java.lang.Object Both#foo(java.lang.Object)
> // public transient java.lang.Object Both#foo(java.lang.Object,
> [Ljava.lang.Object;)
> {code}
> If the exception is expected then {{OnlyVararg}} case should work too.
> If the exception is unexpected then {{Both#foo(Object)}} should be selected.
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