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#6364 ✓resolved

[PATCH] ActiveSupport::OrderedHash#each* methods don't return self

Reported by ghorner | February 2nd, 2011 @ 03:21 PM

I noticed while using Enumerable#group_by that ordered hashes don't act like normal hashes. Specifically, their each* methods return their keys instead of self:

>> h = :a =>1, :b =>2
=> #<OrderedHash {:a=>1, :b=>2}>
>> h.each { }
=> [:a, :b]
>> h.each_key { }
=> [:a, :b]
>> h.each_value { }
=> [:a, :b]

Breaking compatibility with Hash is not good as it leads to unexpected and broken behavior. It also seems these methods were made with the intention of Hash compatibility.

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