From: Tim Hunter <Tim.Hunter@...>
Date: 2002-11-19T22:29:21+09:00
Subject: Re: begin/end doesn't behave as expected

On Tue, 19 Nov 2002 10:25:04 GMT, Tim Bates <news@bates.id.au> wrote:

>Why doesn't this snippet of code do what I expect it to?
>
>out = "<a href=\""
>out << begin
>        "error.rb"
>        "rules.rb" if rule.instance_of? Rule
>        "dead.rb" if rule.instance_of? DeadRule
>        "proposals.rb" if rule.instance_of? Proposal
>        page.to_s unless page.nil?
>end
>out << "\">" + rule.to_s + "</A>"
>
>I expect the begin/end block to evaluate to one of page.to_s, 
>"proposals.rb", "dead.rb", "rules.rb" or if all else fails "error.rb" but 
>instead it seems to evaluate to nil, and I get "TypeError: failed to 
>convert nil into String".
>
>Tim Bates

I think a case statement will do what you want here..