[jira] [Created] (NETBEANS-1021) Convert to explicit type hint throws exception for invalid lambda params types

["Reema Taneja (JIRA)" <ji...@apache.org>]

Reema Taneja created NETBEANS-1021:
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             Summary: Convert to explicit type hint throws exception for invalid lambda params types
                 Key: NETBEANS-1021
                 URL: https://issues.apache.org/jira/browse/NETBEANS-1021
             Project: NetBeans
          Issue Type: Task
            Reporter: Reema Taneja
            Assignee: Reema Taneja


Convert to explicit type hint throws below exception if lambda expression uses a mix of explicit and implicit var type((support added in jdk11)) params.
Eg. IntBinaryOperator op = (int x, var y) -> x+ y;

If lambda expr params are like (int x, y), i.e. mix of explicit and implicit params, Convert to 
explicit type hint is not shown. 

Investigate if we can convert to explicit type for all mixed types params containing var type or hide the hint.

Exception:

java.lang.AssertionError: unexpected type: <any?>
        at jdk.compiler/com.sun.tools.javac.tree.TreeMaker.Type(TreeMaker.java:788)
        at org.netbeans.modules.java.source.builder.TreeFactory.Type(TreeFactory.java:800)
        at org.netbeans.api.java.source.TreeMaker.Type(TreeMaker.java:1083)
        at org.netbeans.modules.java.hints.suggestions.Lambda$AddExplicitLambdaParameterTypes.performRewrite(Lambda.java:627)
        at org.netbeans.spi.java.hints.JavaFix$1.process(JavaFix.java:171)
        at org.netbeans.modules.java.hints.spiimpl.JavaFixImpl$1.run(JavaFixImpl.java:80)
        at org.netbeans.modules.java.hints.spiimpl.JavaFixImpl$1.run(JavaFixImpl.java:74)
        at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:672)
        at org.netbeans.api.java.source.JavaSource$1.run(JavaSource.java:662)




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