From: Bertram Scharpf <lists@...>
Date: 2009-02-21T07:17:53+09:00
Subject: Re: while vs loop

Hi,

Am Samstag, 14. Feb 2009, 15:16:16 +0900 schrieb Nobuyoshi Nakada:
> At Sat, 14 Feb 2009 15:03:03 +0900,
> Vetrivel Vetrivel wrote in [ruby-talk:328175]:
> > what is the Difference between loop and while in ruby ?
> > 
> 
> loop is a kernel method which takes a block.  A block
> introduces new local variable scope.
> 
> while doesn't.
> 

In other words:

  $ irb
  irb(main):001:0> Kernel.private_instance_methods.grep /loop/
  => ["loop"]
  irb(main):002:0> Kernel.private_instance_methods.grep /while/
  => []

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de