From: Daniel Schierbeck <daniel.schierbeck@...>
Date: 2006-07-12T02:05:07+09:00
Subject: Re: Some questions about serious Ruby development...

John wrote:
> def describe code
>   # takes a string to be eval'ed and prints it along 
 >   # with showing the return value
>   sep = ' => '
>   begin
>     result = eval(code)
>     puts code + sep + result.inspect
>     return result
>   rescue Exception => e
>     puts code + sep + e.to_s
>     return nil
>   end
> end

Hi John,

You can write than method even more terse:

   def describe code
     sep = ' => '
     result = eval(code)
     puts code + sep + result.inspect
     return result
   rescue Exception => e
     puts code + sep + e.to_s
     # puts already returns nil
   end

Cheers,
Daniel