From: ChrisO <ceo@...>
Date: 2004-09-16T07:55:14+09:00
Subject: Re: Ex-Perl coders: Howz it feel to convert to Ruby?

David A. Black wrote:

> Hi --
> 
> On Thu, 16 Sep 2004, Chris wrote:
> 
> 
>>(3) Another contrived example, this time in Ruby:
>>
>>def Contrived
>>    3.times { yield }
>>end
>>
>>[ "tic", "tac", "toe" ].each do |item|
>>    Contrived { printf "%s ", item }
>>    printf "\n"
>>end
>>
>>There is a lot about this that is different than Perl IMO.  I could 
>>create an anonymous subroutine in Perl to function something like the 
>>yield block, and I realize the Ruby above is itself somewhat contrived, 
>>but... still, you wouldn't normally do something like this in Perl 
>>whereas in Ruby, these sorts of things are actually useful.
> 
> 
> Well, I would do:
> 
>   puts ["tic", "tac", "toe"]
> 
> or
> 
>   puts %w{ tic tac toe }
> 
> but I know you meant it just as an illustration of yield :-)

Yep!

(But
> still it's always a pleasure to see how compact and clean Ruby can
> be.)

Yep (again).

> 
> 
>>## My favorite "Rubyism" I use all the time in Perl -- puts()!
>>
>>sub puts { for (@_) { print "$_\n" } }
> 
> 
> A perhaps slightly pedantic point: this isn't what puts actually does.
> It adds a "\n" to the end of the string only if one isn't there
> already.  
> 

You know, I didn't discover that until this week on my re-entry into 
Ruby...  But I'd say 95% of the time I use puts in Ruby, it's without 
the "\n" at the end, so in Perl I like having the same behavior.

-ceo