Bug #2224: lib/delegate: operator delegation
http://redmine.ruby-lang.org/issues/show/2224

Author: Marc-Andre Lafortune
Status: Open, Priority: Normal
Category: lib
ruby -v: ruby 1.9.2dev (2009-10-17 trunk 25379) [x86_64-darwin10.0.0]

The operators ==, =~, !~ are forwarded by Delegate. I presume the operators != and ~, new in 1.9, have simply been forgotten?

As for eql? and hash, this is probably intentional. I am still curious as to why, since this can yield surprising results (at least to me): 

a = "foo"
a1 = SimpleDelegator.new(a)
a2 = a1.dup
h = {}
h[a] = :bar
h[a1] = :bar
h[a2] = :bar
h   # ==> {"foo"=>:bar, "foo"=>:bar, "foo"=>:bar}


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