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https://issues.apache.org/jira/browse/TINKERPOP-1508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15628811#comment-15628811
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ASF GitHub Bot commented on TINKERPOP-1508:
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Github user PommeVerte commented on the issue:
https://github.com/apache/tinkerpop/pull/472
VOTE +1
> Add choose(predicate,trueTraversal)
> -----------------------------------
>
> Key: TINKERPOP-1508
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1508
> Project: TinkerPop
> Issue Type: Improvement
> Components: process
> Affects Versions: 3.2.2
> Reporter: Marko A. Rodriguez
>
> {{choose()}} supports
> {{choose(predicateTraversal,trueTraversal,falseTraversal)}}.
> I have lots of code that does this:
> {code}
> choose(blah(), bloop(), identity())
> {code}
> That is, if the predicate traversal doesn't hold, I simply want the incoming
> traverser to be emitted -- {{identity()}}. This is sort of like
> {{optional()}}, but the predicate is something different from the branch. It
> would be nice to be able to simply say:
> {code}
> choose(blah(),bloop())
> {code}
> ...where its understood that a "false" means {{identity()}}.
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