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Posted to notifications@groovy.apache.org by "Eric Milles (Jira)" <ji...@apache.org> on 2020/11/12 23:46:00 UTC
[jira] [Updated] (GROOVY-9813) Improve support for matching
functional interface to variadic method reference
[ https://issues.apache.org/jira/browse/GROOVY-9813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eric Milles updated GROOVY-9813:
--------------------------------
Description:
Java supports each of the following functional interface assignments for a variadic method like {{java.util.Arrays#asList}}. Groovy 3 does not yet implement the first case.
{code:groovy}
import java.util.function.*
@groovy.transform.CompileStatic
void test() {
Supplier<List> zero = Arrays::asList
Function<Integer, List> one = Arrays::asList
BiFunction<Integer, Integer, List> two = Arrays::asList
}
{code}
was:
Java supports each of the following functional interface assignments for a variadic method like {{java.util.Arrays#asList}}. Groovy 3 does not yet implement the first case.
{code:groovy}
import java.util.function.*
@groovy.transform.TypeChecked
void test() {
Supplier<List> zero = Arrays::asList
Function<Integer, List> one = Arrays::asList
BiFunction<Integer, Integer, List> two = Arrays::asList
}
{code}
> Improve support for matching functional interface to variadic method reference
> ------------------------------------------------------------------------------
>
> Key: GROOVY-9813
> URL: https://issues.apache.org/jira/browse/GROOVY-9813
> Project: Groovy
> Issue Type: Bug
> Reporter: Eric Milles
> Priority: Major
>
> Java supports each of the following functional interface assignments for a variadic method like {{java.util.Arrays#asList}}. Groovy 3 does not yet implement the first case.
> {code:groovy}
> import java.util.function.*
> @groovy.transform.CompileStatic
> void test() {
> Supplier<List> zero = Arrays::asList
> Function<Integer, List> one = Arrays::asList
> BiFunction<Integer, Integer, List> two = Arrays::asList
> }
> {code}
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