From: Marc-Andre Lafortune <redmine@...>
Date: 2010-12-14T07:42:26+09:00
Subject: [ruby-core:33704] [Ruby 1.9-Bug#4136] Enumerable#reject should not inherit the receiver's instance variables

Issue #4136 has been updated by Marc-Andre Lafortune.

Category set to core

This changes the behavior for subclasses of Array. Should the other cases also be modified in the same way?

If I check the list I had in my blog (see the quiz at bottom of http://blog.marc-andre.ca/2009/05/schizo-ruby-puzzle.html ), the following (at least) are remaining:

Sub = Class.new(Array)
x = Sub.new
(x * 2).class # => Sub
x.flatten.class # => Sub
x[0...0].class # => Sub

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http://redmine.ruby-lang.org/issues/show/4136

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