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https://issues.apache.org/jira/browse/GROOVY-8241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16285869#comment-16285869
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ASF GitHub Bot commented on GROOVY-8241:
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GitHub user avafanasiev opened a pull request:
https://github.com/apache/groovy/pull/643
GROOVY-8241 SAM parameter type inference for explicit parameter
It should fix GROOVY-8241, GROOVY-7061, GROOVY-8317.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/avafanasiev/groovy master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/groovy/pull/643.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #643
----
commit dcbc41e591a65895e4a4f47eca78488d8ea0603b
Author: alexey.afanasiev <alexey.afanas...@jetbrains.com>
Date: 2017-12-11T13:01:02Z
GROOVY-8241 SAM parameter type inference for explicit parameter
----
> SAM parameter type inference for explicit parameter
> ---------------------------------------------------
>
> Key: GROOVY-8241
> URL: https://issues.apache.org/jira/browse/GROOVY-8241
> Project: Groovy
> Issue Type: Bug
> Components: Static compilation, Static Type Checker
> Affects Versions: 2.4.10
> Reporter: Daniil Ovchinnikov
>
> {code}
> import groovy.transform.CompileStatic
> import java.util.function.Predicate
> @CompileStatic
> static boolean foo(Predicate<? super String> p) {
> p.test("foo")
> }
> @CompileStatic
> static def testPredicate() {
> foo { // it ->
> it.toUpperCase()
> true
> }
> }
> {code}
> Uncomment {{it}}, compiler will say:
> {noformat}
> Cannot find matching method java.lang.Object#toUpperCase()
> {noformat}
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