From: George Ogata <g_ogata@...>
Date: 2004-09-27T15:04:28+09:00
Subject: Re: Object#send and blocks/procs

"Mehr, Assaph (Assaph)" <assaph@avaya.com> writes:

>  
> Hi Guys,
>
> I started to write this email as a question, but figured the answer in
> the middle... :-)
> So now I want to know if there's any problem with the code below, if
> there is any performance hit or if there's a simpler way to turn Procs
> back into blocks.
>
> The question is how do I #send a method to an object with an attached
> proc (not block)? The simplest way to reproduce is:
>
>   prc = lambda{ |a| a.upcase }
>   puts "aaa".send(:gsub, /./)   # how do I pass prc as the block to
> gsub?
>
> Solution:
>
>   puts "aaa".send(:gsub, /./) { |x| prc[x] }

puts 'aaa'.send(:gsub, /./, &prc)