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https://issues.apache.org/jira/browse/GROOVY-7935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15497098#comment-15497098
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John Wagenleitner commented on GROOVY-7935:
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Looks like the case for {{def m = foo 1}} was fixed in 1.8.  So probably would 
be good to remove the last line in the example and the {quote}...or on the 
right-hand side of an assignment{quote} wording.

> Right side of assignment - remove parens or not?
> ------------------------------------------------
>
>                 Key: GROOVY-7935
>                 URL: https://issues.apache.org/jira/browse/GROOVY-7935
>             Project: Groovy
>          Issue Type: Bug
>          Components: Documentation
>         Environment: http://groovy-lang.org/style-guide.html, release 2.4.7
>            Reporter: tinne
>            Priority: Minor
>
> The Groovy [style guide|http://groovy-lang.org/style-guide.html] says, "...  
> Groovy doesn’t allow you to remove parentheses. [...] for nested method calls 
> or on the right-hand side of an assignment, you can’t omit them there."
> Then, a code fragment is given, where just this works.
> {noformat}
> def foo(n) { n }
> println foo 1 // won't work, as documented
> def m = foo 1 // this works indeed!
> {noformat}
> Further more, I could not find any examples, where this would not work, 
> neither with comma separated parameter lists nor with infix computations nor 
> closures.
> So I guess it is just a documentation bug and right-hand side parens removal 
> support has been added.



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