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https://issues.apache.org/jira/browse/GROOVY-11121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-11121.
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> unexpected error when having overloaded methods, one of which receiving an
> Iterable
> -----------------------------------------------------------------------------------
>
> Key: GROOVY-11121
> URL: https://issues.apache.org/jira/browse/GROOVY-11121
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Reporter: Thodoris Sotiropoulos
> Assignee: Eric Milles
> Priority: Minor
> Labels: overloading
> Fix For: 5.0.0-alpha-5
>
>
> I have the following program
> {code}
> import java.util.function.*;
> class Foo<T> {
> static <T> Foo<T> of(Iterable<T> values) { return null; }
> static <T> Foo<T> of(T values) { return null; }
> }
> class Main {
> static final void test() {
> Foo.<IntUnaryOperator>of((int s) -> s + 1);
> }
> }
> {code}
> h3. Actual behavior
> {code}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup
> failed:
> Main.groovy: 10: [Static type checking] - Wrong number of parameters for
> method target: iterator()
> @ line 10, column 38.
> var x = Foo.<IntUnaryOperator>of((int s) -> s + 1);
> ^
> 1 error
> {code}
> h3. Expected behavior
> Compile successfully
> h3. Notes
> Test case adapted from the following program that uses the apache-commons-io
> library:
> {code}
> import org.apache.commons.io.function.*;
> import java.util.function.*;
> class Main {
> static final void test() {
> var x = IOStream.<IntUnaryOperator>of((int s) -> s + 1);
> }
> }
> {code}
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