From: "David A. Black" <dblack@...>
Date: 2004-08-20T11:51:28+09:00
Subject: Re: Shortest if Assignment Statement

Hi --

On Fri, 20 Aug 2004, Zach Dennis wrote:

> David A. Black wrote:
> 
> >I'm not quite following.  What's not working as you'd like exactly?
> >
> >  
> >
> hsh = { '*' => '(*)' , 'a' => '(1){2}' }
> val = "b"
> a = hsh[ val ] or hsh['*']  #to give me, a = '(*)'
> puts a
> val = "a"
> a = hsh[ val ] or hsh['*'] #to give me, a = '(1){2}'
> puts a
> 
> I want the fourth line to output (*) instead it gives me nil.

Whoops, I fell into the irb trap :-)

|| binds more tightly than or, so:

  a = hsh[val] || hsh['*']

should give you what you want.


David

-- 
David A. Black
dblack@wobblini.net