[OASIS Issue Tracker] (ODATA-1075) Introduce subsetof operator for checking whether a collection is a subset or equal to another collection

Ralf Handl created ODATA-1075:
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             Summary: Introduce subsetof operator for checking whether a collection is a subset or equal to another collection
                 Key: ODATA-1075
                 URL: https://issues.oasis-open.org/browse/ODATA-1075
             Project: OASIS Open Data Protocol (OData) TC
          Issue Type: Bug
          Components: URL Conventions
    Affects Versions: V4.01_CSD02
         Environment: Proposed
            Reporter: Ralf Handl
             Fix For: V4.01_CSD02


Currently we "overload" the in operator to be "subset of" if the left operand is a collection.

This would block us from introducing collections of collections, and checking whether a collection is an item of a collection of collections.



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