From: Dave Thomas <Dave@...>
Date: 2001-03-23T23:55:07+09:00
Subject: [ruby-talk:13139] Re: How would Ruby say this?

"Lyle Johnson" <ljohnson@resgen.com> writes:

> The first obvious option for exposing this function in Ruby is to return
> both values as a two-element array, e.g.
...
> But this is awkward. Another option I'm considering is to have the function
> raise an exception for the "false" return status:

A third option would be to return 'nil' on no input (as presumably nil 
can never be returned). Then you can write

  if res = getValue("What's the frequency..")
     process ...
  else
     no input
  end


Dave