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https://issues.apache.org/jira/browse/DAFFODIL-2379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Lawrence updated DAFFODIL-2379:
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Fix Version/s: (was: 3.0.0)
> intersect and except operators for DFDL expression language
> -----------------------------------------------------------
>
> Key: DAFFODIL-2379
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2379
> Project: Daffodil
> Issue Type: New Feature
> Components: Back End, Front End
> Affects Versions: 2.7.0
> Reporter: Mike Beckerle
> Priority: Minor
>
> These operators intersect and except from XPath 2.0 spec were added to the
> DFDL specification (latest working group draft), so are forthcoming in the
> spec.
> These need to be added to the expression language.
> Labeled this beginner since there are well established code-patterns to copy
> in creating these operators. It touches a lot of the DPath language code -
> syntax analyzer/parser, all the way to the runtime, but.... there's things to
> copy at every level.
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