From: nobu.nokada@...
Date: 2002-10-18T09:20:33+09:00
Subject: Re: Enumerable.partition

Hi,

At Fri, 18 Oct 2002 00:27:23 +0900,
Tom Payne wrote:
> Please (pretty please) can this be changed to the much more powerful:
> 
> module Enumerable
>   def new_partition(default = nil)
>     result = Hash.new(default)
>     each do |value|
>       key = yield(value)
>       if result.has_key?(key)
>         result[key].push(value)
>       else
>         result[key] = [value]
>       end
>     end
>     result
>   end
> end
> 
> e.g. [0, 1, 2, 3].new_partition { |x| x > 1 }
> gives {false=>[0, 1], true=>[2, 3]}

This seems nice.

> Hopefully this won't break too much code in 1.7.3. It's very useful:

What about new name, "classify" or something else?

-- 
Nobu Nakada