[jira] [Commented] (GROOVY-8241) SAM parameter type inference for explicit parameter

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GROOVY-8241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16285869#comment-16285869 ] 

ASF GitHub Bot commented on GROOVY-8241:
----------------------------------------

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 <al...@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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