[jira] [Commented] (GROOVY-6668) Static compiler doesn't coerce GString for getAt() call

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[jira] [Commented] (GROOVY-6668) Static compiler doesn't coerce GString for getAt() call

JIRA jira@apache.org

    [ https://issues.apache.org/jira/browse/GROOVY-6668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16477440#comment-16477440 ]

Cédric Champeau commented on GROOVY-6668:
-----------------------------------------

I understand the temptation, but no, we shouldn't. This isn't about usability, this is about type safety. "Fixing" this would open Pandora's box. I think this works exactly as expected, and we must educate people that GString!=String.

> Static compiler doesn't coerce GString for getAt() call
> -------------------------------------------------------
>
>                 Key: GROOVY-6668
>                 URL: https://issues.apache.org/jira/browse/GROOVY-6668
>             Project: Groovy
>          Issue Type: Bug
>          Components: Static compilation
>    Affects Versions: 2.3.0-beta-1, 2.4.0-rc-1
>            Reporter: Luke Daley
>            Priority: Major
>
> This might not be a bug, but it's a behaviour change from 2.2.
> {code}
> @groovy.transform.CompileStatic
> class OtherThing {
>     OtherThing() {
>         Map<String, String> m = [:]
>         def k = "foo"
>         m["$k"].toUpperCase() // fails, no method toUpperCase() on object
>         m[k].toUpperCase() // works
>     }
> }
> {code}



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