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https://issues.apache.org/jira/browse/GROOVY-8606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Sun resolved GROOVY-8606.
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Resolution: Fixed
Fix Version/s: 3.0.0-alpha-3
2.6.0-alpha-4
Fixed by
https://github.com/apache/groovy/commit/1bd642488104ca8204bd45c1c1cf4d304d7d564f
> Provide friendly error message for invalid lambda body
> ------------------------------------------------------
>
> Key: GROOVY-8606
> URL: https://issues.apache.org/jira/browse/GROOVY-8606
> Project: Groovy
> Issue Type: Improvement
> Components: parser-antlr4
> Reporter: Daniel Sun
> Assignee: Daniel Sun
> Priority: Major
> Fix For: 2.6.0-alpha-4, 3.0.0-alpha-3
>
>
> We should provide friendly error message like "Statements should be wrapped
> in a block, e.g. () -> { some statements here }", e.g.
> Script1.groovy: 1: Statements should be wrapped in a block, e.g. () -> { some
> statements here } @ line 1, column 15.
> def a = () -> assert 1 == 1
> ^
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