From: Zach Dennis <zdennis@...>
Date: 2004-08-20T12:01:41+09:00
Subject: Re: MatchData.each method.....no "next" ?

I found my problem:

m.each{ |v| ...}

is giving me "v" as an array of matches....I should have tested first!

Zach


Zach Dennis wrote:

> I've got a block of code:
>
> process = proc { |str,val|
>        process_hsh = { "String" => true , "Fixnum" => true }
>        re = /\((.*)\)|\{(.*)\}/;
>        m = str.scan( re )
>        if( process_hsh["#{val.class.to_s}"] ) then
>          m.each{ |v|
>            next if( not v); #<-----------------THIS IS THE CULPRIT
>            puts v
>          }
>        end
>      }
>
>
> But "v" is always put to the screen. The output I get is:
>
> *
> nil
> *
> nil
> *
> nil
> *
> nil
>
> In my test case, I am expecting:
>
> *
> *
> *
> *
>
> Does MatchData not take advantage of iterating via "next" ? Thanks,
>
> Zach
>
>
>