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https://issues.apache.org/jira/browse/GROOVY-9860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17252908#comment-17252908
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Eric Milles commented on GROOVY-9860:
-------------------------------------
I found the source of the problem in {{makeRawTypes}}:
https://github.com/apache/groovy/pull/1447
> compilation error when passing a closure's genericized parameters to a
> constructor under static compilation
> -----------------------------------------------------------------------------------------------------------
>
> Key: GROOVY-9860
> URL: https://issues.apache.org/jira/browse/GROOVY-9860
> Project: Groovy
> Issue Type: Bug
> Components: Compiler
> Affects Versions: 3.0.7
> Reporter: Jason Garrett
> Assignee: Eric Milles
> Priority: Minor
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The following code:
> {code:java}
> package example
> import groovy.transform.CompileStatic
> @CompileStatic
> class Tuple2Example {
> static <T> void noLongerCompiles() {
> def closure = { T a, T b ->
> return new Tuple2<T, T>(a, b)
> }
> closure("foo", "bar")
> }
> }
> {code}
> Compiles in v3.0.6 and earlier, but in v3.0.7 results in the following
> compiler error:
> {code:java}
> [Static type checking] - Cannot find matching method
> groovy.lang.Tuple2#<init>(T, T). Please check if the declared type is correct
> and if the method exists. @ line 10, column 11. return new Tuple2<T, T>(a,
> b) ^
> 1 error
> {code}
> Because this compiles in all versions prior to 3.0.7, I figure it should
> compile 3.0.7 too. Even if it really shouldn't compile the message probably
> ought to be something about the inability to infer the types of a and b, not
> that the constructor can't be found.
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