Assertion: backing collection | /r/HasProperty | set
Facets:
Source sentences:
text: This is necessary to preserve the contracts of these operations in the case that the backing collection is a set or a list.
text: This is necessary to preserve the contracts of these operations in the case that the backing collection is a set or a list.
text: This is necessary to preserve the contracts of these operations in the case that the backing collection is a set or a list.