Ruby Issue Tracking System

03/24/2016

12:02 PM Ruby Feature #12210: Add IdentitySet class that compares members by identity

I submitted this as a patch because the std lib already contains one subclass of Set (SortedSet) and a commented-out implementation of another (RestrictedSet).
I don’t expect that this class will change beyond the initial implementati... tjwp (Tim Perkins)

03/23/2016

07:26 PM Ruby Feature #12210 (Closed): Add IdentitySet class that compares members by identity

This subclass of Set handles a use case that we ran into where we needed to track instances of objects that might compare as equal.
I was surprised that there was not a core way to do this. IdentitySet allows you to do the following (... tjwp (Tim Perkins)