From: 7stud -- <bbxx789_05ss@...>
Date: 2009-02-22T01:37:11+09:00
Subject: Re: encoding problem with tr() and hash keys

Do One wrote:
> Please help to understand solution to this problem (ruby 1.9.1):
> 
> In utf-8 environment I do:
> 
> irb(main):121:0> h = {"a" => 1, "\u0101" => 2}
> => {"a"=>1, "ā"=>2}
> irb(main):122:0> h.key? "a".tr("z", "\u0101")
> => false <--- wrong!
>


h = {"a" => 1, "b" => 2}

p "a".tr("z", "\u0101")    #"a"

puts h.key?("a".tr("z", "x"))   #true

ruby 1.8.2

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