From: "knu (Akinori MUSHA)" <knu@...>
Date: 2013-07-31T15:13:15+09:00
Subject: [ruby-core:56280] [ruby-trunk - Feature #6589][Feedback] Set#rehash


Issue #6589 has been updated by knu (Akinori MUSHA).

Status changed from Assigned to Feedback

I added some notes to the rdoc in r42265.
----------------------------------------
Feature #6589: Set#rehash
https://bugs.ruby-lang.org/issues/6589#change-40772

Author: marcandre (Marc-Andre Lafortune)
Status: Feedback
Priority: Normal
Assignee: knu (Akinori MUSHA)
Category: lib
Target version: next minor


There should be a way to rehash a `Set`.

    s = Set.new([[]])
    s.first << 1
    # s.rehash # Does not exist!
    s.include? [1] # => false, want true

See also:

http://stackoverflow.com/questions/10992423/is-this-expected-behaviour-for-a-set-of-arrays-in-ruby
http://stackoverflow.com/questions/10361400/deleting-a-modified-object-from-a-set-in-a-no-op




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