Mike Beckerle created DAFFODIL-2379:
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Summary: 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
Fix For: 3.0.0
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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