From: Hal Fulton <hal9000@...>
Date: 2006-08-14T04:07:56+09:00
Subject: Re: A use case for an ordered hash

Mauricio Fernandez wrote:
> 
> # But  this would be nicer
> class Array
>   def cassoc(x)  # "case assoc"
>     each{|arr| return arr if arr[0] === x}
>     nil
>   end
> end
> 
> re, action = actions.cassoc("abcdef")
> action and action.call                             # => 1
> re, action = actions.cassoc("abcx")
> action and action.call                             # => 3
> 

Now, that's clever. That's probably the least painful
solution I've seen using arrays.

I still wish we had a so-called ordered hash. ;)


Hal