Add Set C-API
This should be a minimal C-API needed to deal with Set objects. It supports creating the sets, checking whether an element is the set, adding and removing elements, iterating over the elements, clearing a set, and returning the size of the set.
Co-authored-by: Nobuyoshi Nakada nobu.nakada@gmail.com
Add Set C-API
This should be a minimal C-API needed to deal with Set objects. It
supports creating the sets, checking whether an element is the set,
adding and removing elements, iterating over the elements, clearing
a set, and returning the size of the set.
Co-authored-by: Nobuyoshi Nakada nobu.nakada@gmail.com