[jira] [Updated] (GROOVY-10961) STC rejects program when having SAM types and conditionals

["Eric Milles (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GROOVY-10961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Milles updated GROOVY-10961:
---------------------------------
    Priority: Minor  (was: Major)

> STC rejects program when having SAM types and conditionals
> ----------------------------------------------------------
>
>                 Key: GROOVY-10961
>                 URL: https://issues.apache.org/jira/browse/GROOVY-10961
>             Project: Groovy
>          Issue Type: Bug
>          Components: Static Type Checker
>            Reporter: Thodoris Sotiropoulos
>            Priority: Minor
>
> I have the following program
> {code}
> import java.util.function.*;
> import java.util.Deque;
> class Main {
>   static final void test(Deque<Integer> p1, Supplier<Integer> p2) {
>     Supplier<Integer> x = (true) ? p1::peek : p2;
>     
>   }
> }
> {code}
> h3. Actual behavior
> {code}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
> test.groovy: 8: [Static type checking] - Cannot assign value of type java.lang.Object to variable of type java.util.function.Supplier<java.lang.Integer>
>  @ line 8, column 27.
>        Supplier<Integer> x = (true) ? p1::peek : p2;
>                              ^
> 1 error
> {code}
> h3. Expected behavior
> Compile successfully
> Tested against master (commit: ee93378e5c9560032284b66d33af440884c8505f)



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