From: Timothy Hunter <TimHunter@...>
Date: 2006-11-19T02:13:43+09:00
Subject: Re: ruby equivalent PHP function is_numeric?

matt neuburg wrote:
> Michael Fellinger <m.fellinger@gmail.com> wrote:
>
>   
>> class String
>>   def to_numeric
>>     Integer(self) rescue Float(self) rescue nil
>>   end
>> end
>>     
>
> Where can I find documentation on the syntax of "rescue" that makes this
> work?
>
> Thx - m.
>
>   
Pickaxe 2nd ed. page 374: "Exceptions may be handled...after the 
execution of a single statement."