From: Philip Hallstrom <ruby@...>
Date: 2006-05-27T03:59:03+09:00
Subject: Re: Automatic code generation in vim.

>
> This is an editor question for Ruby. I've seen the demo of RoR
> where textmate is widely used. Among the others, the most
> interesting feature was automatic code generation like
>
> forin
>
> =>
>
> for <cursor here> in <collections>

Not sure if pre-existing stuff exists for this (but I think so) but you 
can use vim mappings for this.

http://www.vim.org/htmldoc/map.html

-philip