Expose expressions for observing traits with filters #1112
Merged
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Part of #977
This PR:
metadata
in the expression for observing traits with a given metadata name"+metadata_name"
in the mini-languagematch
in the expression for wrapping the FilteredTraitObserver, useful for use cases not supported by the other expressions.Checklist
docs/source/traits_api_reference
): autodoc handles thatdocs/source/traits_user_manual
): Will be in a separate PRUpdate type annotation hints intraits-stubs