From: "Aleksi Niemelä" <aleksi.niemela@...>
Date: 2000-11-07T11:22:28+09:00
Subject: [ruby-talk:6092] Re: detect:ifNone: in Ruby

> I like it. You can also mess around with the built in classes to get
> an effect similar to Smalltalk's:
> 
>     a = [1,2,3,4,5]
> 
>     # #ifNil? returns the receiver, unless the receiver is nil, in
>     # which case it returns its argument
..
>     x = a.detect {|i| i == 7} .ifNil? 99    #=> 99

Don't forget the block form. 

  x = a.detect {|i| i == 7}.ifNil { 99 }

And I guess name should be without '?'. Otherwise great extension. (Is it ok
to call it extension or am I overloading too much?)

	- Aleksi