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Posted to notifications@groovy.apache.org by "Patric Bechtel (JIRA)" <ji...@apache.org> on 2018/08/09 10:21:00 UTC
[jira] [Created] (GROOVY-8737) STC Method resolution fails if other
methods with more parameters exist
Patric Bechtel created GROOVY-8737:
--------------------------------------
Summary: STC Method resolution fails if other methods with more parameters exist
Key: GROOVY-8737
URL: https://issues.apache.org/jira/browse/GROOVY-8737
Project: Groovy
Issue Type: Bug
Components: Static compilation
Affects Versions: 2.5.1, 3.0.0-alpha-3, 2.4.15
Environment: Ubuntu 18.04, Java 8u181
Reporter: Patric Bechtel
Given two classes as follows
{code:java}
@groovy.transform.CompileStatic
class A {
public static String msg( String key, Object[] args ) { "key=$key, args=$args" }
public static String msg( String key, Object[] args, Object[] parts ) { "key=$key, args=$args, parts=$parts" }
public static String msg( String key, Object[] args, String[] names ) { "key=$key, args=$args, names=$names" }
}
{code}
and
{code:java}
@groovy.transform.CompileStatic
public class B {
public static void main( String[] args ) {
println A.msg( 'hello', [ 'world' ] as Object[] )
}
}
{code}
will not compile with the error
{noformat}
B.groovy: 4: [Static type checking] - Reference to method is ambiguous. Cannot choose between [java.lang.String A#msg(java.lang.String, java.lang.Object[], java.lang.Object[]), java.lang.String A#msg(java.lang.String, java.lang.Object[], java.lang.String[])]
@ line 4, column 15.
println A.msg( 'hello', [ 'world' ] as Object[] )
{noformat}
Though there's a perfect match for the called method, it tries to choose one of the longer signatures.
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