From: Nobuyoshi Nakada <nobu@...>
Date: 2009-02-14T15:16:16+09:00
Subject: Re: while vs loop

Hi,

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 do
> end

loop is a kernel method which takes a block.  A block
introduces new local variable scope.

  loop do
    a = 1
    break
  end
  p a #=> causes NameError

> while 1
> end

while doesn't.

  while 1
    a = 1
    break
  end
  p a #=> 1

-- 
Nobu Nakada