From: David Alan Black <dblack@...>
Date: 2001-11-14T07:35:07+09:00
Subject: [ruby-talk:25095] Re: exiting blox

On Wed, 14 Nov 2001, Alan Chen wrote:

> On Wed, Nov 14, 2001 at 07:19:05AM +0900, David Alan Black wrote:
> > Hello --
> >
> > On Wed, 14 Nov 2001, Niko Schwarz wrote:
> >
> > > Hi there,
> > > is there a way to exit a block before time?
> > > like:
> > >
> > > field.each { |el|
> > >         if(el.alsacian?)
> > >                 break #no, dont want anymore
> > >         else
> > >                 puts el
> > >         end
> > > }
> > >
> > > is there? (note: i want to exit it just for one el, of course)
> >
> > Doesn't break do what you want?  Or am I confused about what
> > it does?
>
> break also stops any subsequent yields to the block.  I think Niko
> just wants to skip the rest of the block for that yield.

Ah, that's a job for "next":

  [1,2,3,4].each { |e|
    puts "Looking at #{e}..."
    if e == 3
      next
    else
      puts "#{e} isn't 3!"
    end
  }


David

-- 
David Alan Black
home: dblack@candle.superlink.net
work: blackdav@shu.edu
Web:  http://pirate.shu.edu/~blackdav