From: "Iñaki Baz Castillo" <ibc@...>
Date: 2011-04-15T23:46:27+09:00
Subject: Re: Get the real object in a Hash key

2011/4/15 Robert Klemme <shortcutter@googlemail.com>:
>> Given a string "aaa", how can I get the object k1 from the hash? (I
>> mean without comparing String#eql? each key with the string "aaa")
>> Unfortunatelly I think Hash class does not provide a method for it.
>
> Exactly.  And you don't want to do it.  A Hash is an associative
> storage which associates the value with your key.  If you need to
> stuff in more information - you need to add it to the value and not
> the key.  The simplest would be to define a Struct, e.g.
>
> Value = Struct.new :name, :val
>
> Then put this into the Hash as values
>
> h[k1] = Value["a name", "HELLO"]


Yes, that seems a good solution.

Thanks.

-- 
Iñaki Baz Castillo
<ibc@aliax.net>