From: Kristof Bastiaensen <kristof@...>
Date: 2004-05-02T19:43:58+09:00
Subject: Re: Ruby Newbie (ooh, that rhymes!) - When do I use do/end, when {}?

On Sun, 02 May 2004 09:43:20 +0900, Gennady Bystritsky wrote:
> There's also another usage some people, including myself, agree on: 
> do...end for blocks that actually DO stuff, like in Array#each, 
> File.open, Integer#times (Mark, sorry for contradiction ;-)), etc.; {} 
> for blocks that define conditions, like in map, select/reject, sort, 
> etc.
> 

I also like to use {} when I know the block will still exist
after the method finishes (for example in signal callbacks or
lambda expressions).
This way you can see clearly what belongs together.

Anyway calling it a rule I find be a bit to strong, I believe
it is anyone's one choice which one he/she prefers to use.

Kristof