bug#63671: Add function to test equality of hash tables

[Joseph Turner]

Mattias Engdegård <mattias.engdegard@gmail.com> writes:

> 24 maj 2023 kl. 19.27 skrev Joseph Turner <joseph@breatheoutbreathe.in>:
>
>> Would extending `equal' to handle hash tables be generally useful?
>
> It would, but doing so would be very risky at this point since it would 
> change long-standing semantics.
>
> We could make an augmented version of `equal` but what we really want is one 
> that works for user-defined types (see Ihor's reference to a previous 
> discussion).
>
> Anyway, here's an old patch I had lying around, in case we decide that we do 
> need a shoddy equality predicate for hash tables only.

Thank you for the references, Ihor and Mattias! Since this is a
duplicate of Ihor's thread, my report should probably be closed.

How do I close this report?

Joseph