From: "David A. Black" <dblack@...>
Date: 2004-09-20T01:01:18+09:00
Subject: Re: Array#index block and rdetect

Hi --

On Sun, 19 Sep 2004, trans.  (T. Onoma) wrote:

> Tiny RCR suggestion:
> 
> Array#index optionally take a block like Enumerable#detect does.
> 
>     ['a','b','c'].index{|e| e == 'b'}  # => 1
>     ['a','b','c'].index{|e| e == 'c'}  # => 2
>     ['a','a','a'].index{|e| e == 'a'}  # => 0
>     ['a','a','a'].index{|e| e == 'b'}  # => nil

See the thread at
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/105314
for a recent discussion of this.  I basically like the idea, with a
couple of caveats which are discussed in that thread.


David

-- 
David A. Black
dblack@wobblini.net