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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GROOVY-8917) Failed to infer parameter type of some SAM, e.g. BinaryOperator
Date Tue, 11 Dec 2018 02:14:00 GMT

    [ https://issues.apache.org/jira/browse/GROOVY-8917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16715980#comment-16715980
] 

ASF GitHub Bot commented on GROOVY-8917:
----------------------------------------

Github user danielsun1106 commented on a diff in the pull request:

    https://github.com/apache/groovy/pull/837#discussion_r240451854
  
    --- Diff: src/main/java/org/codehaus/groovy/classgen/asm/util/TypeUtil.java ---
    @@ -213,4 +220,15 @@ private static String makeRefDescription(String name) {
             long.class, Long.class,
             short.class, Short.class
         );
    +
    +    private static final Map<ClassNode, ClassNode> PRIMITIVE_CLASSNODE_TO_WRAPPED_CLASSNODE_MAP
= Maps.of(
    +            ClassHelper.byte_TYPE, ClassHelper.Byte_TYPE,
    +            ClassHelper.boolean_TYPE, ClassHelper.Boolean_TYPE,
    +            ClassHelper.char_TYPE, ClassHelper.Character_TYPE,
    +            ClassHelper.double_TYPE, ClassHelper.Double_TYPE,
    +            ClassHelper.float_TYPE, ClassHelper.Float_TYPE,
    +            ClassHelper.int_TYPE, ClassHelper.Integer_TYPE,
    +            ClassHelper.long_TYPE, ClassHelper.Long_TYPE,
    +            ClassHelper.short_TYPE, ClassHelper.Short_TYPE
    +    );
    --- End diff --
    
    Gotcha. I will use the map you suggest instead.


> Failed to infer parameter type of some SAM, e.g. BinaryOperator
> ---------------------------------------------------------------
>
>                 Key: GROOVY-8917
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8917
>             Project: Groovy
>          Issue Type: Bug
>            Reporter: Daniel Sun
>            Assignee: Daniel Sun
>            Priority: Major
>
> {code:java}
>         import groovy.transform.CompileStatic
>         import java.util.stream.Collectors
>         import java.util.stream.Stream
>         
>         @CompileStatic
>         public class Test1 {
>             public static void main(String[] args) {
>                 p();
>             }
>             
>             public static void p() {
>                 // If we do not explicitly declare the type of parameter, STC fails
>                 assert 13 == [1, 2, 3].stream().reduce(7, (Integer r, Integer e) ->
r + e);
>             }
>         }
> {code}



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