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https://issues.apache.org/jira/browse/METRON-1090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16330805#comment-16330805
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ASF GitHub Bot commented on METRON-1090:
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Github user ottobackwards commented on the issue:
https://github.com/apache/metron/pull/687
POV issue I think. Stellar has the LANGUAGE ( grammar ), the default
implementation, and the 'host' execution mechanics.
`:=` is part of the host execution mechanics.
The issue may not be being the same as much as the necessity for `:=` as a
host construct at all if things are done inside stellar.
Does that make sense?
> STELLAR Add Assignment capability to Stellar language
> -----------------------------------------------------
>
> Key: METRON-1090
> URL: https://issues.apache.org/jira/browse/METRON-1090
> Project: Metron
> Issue Type: New Feature
> Reporter: Otto Fowler
> Assignee: Otto Fowler
> Priority: Major
>
> Add support for =, +=, -=, *=, /= for variables in stellar.
> foo = 5 returns 5 AND sets foo to 5 if the VariableResolver supports it.
> The shell should be changed to assign variables using this syntax, because
> exposing the left side to stellar allows catching errors for invalid keywords
> in left side.
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