Please complete the information below:
Where is the problem?
- A shape type S2 whose field set is a superset of that in shape type S1, is a subtype of S1.
What is the problem?
- A shape type S2 is a subtype of S1 if and only if the field set of S2 is a subset of the field set of S1. Superset should be updated to subset.
Please don't change anything below this point.
- Build ID: HHVM=HHVM-4.164.0:HSL=v4.108.1:2024-02-08T13:44:46+0000:1fa47f258c6b68f8ec01899aa82fd6ffa0957109
- Page requested: /hack/types/supertypes-and-subtypes
- Page requested at: Thu, 27 Mar 2025 17:21:19 +0000
- Controller: GuidePageController