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Posted to issues@metron.apache.org by "Casey Stella (JIRA)" <ji...@apache.org> on 2017/06/27 09:13:01 UTC

[jira] [Updated] (METRON-980) Short circuit operations for Stellar

     [ https://issues.apache.org/jira/browse/METRON-980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Casey Stella updated METRON-980:
--------------------------------
    Fix Version/s: 0.4.0

> Short circuit operations for Stellar
> ------------------------------------
>
>                 Key: METRON-980
>                 URL: https://issues.apache.org/jira/browse/METRON-980
>             Project: Metron
>          Issue Type: Improvement
>            Reporter: Casey Stella
>            Assignee: Casey Stella
>             Fix For: 0.4.0
>
>
> Stellar does not currently contain short circuit operations.  In most languages, this is an important optimization, but for Stellar on Metron, this is a requirement due to the fact that some variables may be null legitimately and we cannot create multi-line conditionals or temporary variables at the moment.
> The short circuit operations supported:
> * short circuited `or` (e.g. true or FUNC(...) would never execute FUNC)
> * short circuited `and` (e.g. false and FUNC(...) would never execute FUNC)
> * short circuited if/then/else (e.g. if true then FUNC(...) else FUNC2(...) will never call FUNC2)



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