From: Rick DeNatale <rick.denatale@...>
Date: 2007-10-03T00:08:35+09:00
Subject: Re: how to do "do" blocks

On 9/28/07, Daniel Talsky <danieltalsky@gmail.com> wrote:
> Well thanks fellas... that makes good sense.
>
> > You have to use only one form of block, either do...end or {}. The
> > convention seems to be to use do...end for multiline blocks, while {}
> > is used for one-liners.
>
> However, there's some lines of thought on the internet that have a
> different idea.  What do you think of the idea that it's not "one line
> vs. multiline" but "returns a value vs. doesn't return a value".
>
> Here's the two posts I'm talking about:
> http://objo.com/2007/6/28/ruby-style-ruby-do-end-versus
> http://onestepback.org/index.cgi/Tech/Ruby/BraceVsDoEnd.rdoc
>
> In the first post, one of the commenters asks:
> > As for using {} only when returning a value, doesn't every statement return a
> > value (in your example, the array with it's elements capitalised and reversed)?
>
> And although he's wrong, the code in question:
> i.capitalize!
> is in-place changing the variable of course... but his point is still
> valid.  Anyone want to weigh in on this?

http://talklikeaduck.denhaven2.com/articles/2007/10/02/ruby-blocks-do-or-brace


-- 
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denhaven2.com/