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https://issues.apache.org/jira/browse/GROOVY-7141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-7141.
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> Static type checker does not recognize closure input parameter when
> implementing an interface with a map
> --------------------------------------------------------------------------------------------------------
>
> Key: GROOVY-7141
> URL: https://issues.apache.org/jira/browse/GROOVY-7141
> Project: Groovy
> Issue Type: Improvement
> Components: Static Type Checker
> Affects Versions: 2.3.7
> Reporter: Mauro Molinari
> Assignee: Eric Milles
> Priority: Minor
> Fix For: 3.0.14, 2.5.20, 4.0.7
>
>
> Consider the following Groovy class:
> {code}
> package e
> import groovy.transform.TypeChecked;
> @TypeChecked
> class E {
>
> interface MyInt {
> String doSomething(String text)
> }
>
> static void main(String[] args) {
> MyInt impl = [
> doSomething: { it.toUpperCase() }
> ] as MyInt
> println impl.doSomething('foo')
> }
> }
> {code}
> The compiler complains that:
> {noformat}
> Groovy:[Static type checking] - Cannot find matching method
> java.lang.Object#toUpperCase(). Please check if
> the declared type is right and if the method exists.
> {noformat}
> However I think Groovy should be smart enough to recognize that {{it}} is of
> type {{String}} inside the closure.
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