From: Calvin Bornhofen <calvin.bornhofen@...>
Date: 2012-09-21T01:05:26+09:00
Subject: Re: Splat operator and different options to pass a block

Hi,

thanks for your answer. I really appreciate it.
> First of all, this isn't really a useful technique, because Ruby already
> allows you to pass a Proc/Lambda as a block:
>
> prc = proc {|x| puts x}
> [1, 2, 3].each(&prc)
Didn't know that was possible, that's really useful.
> Secondly, why do you need a separate parameter for the proc argument?
> Why not simply pull it out of the args array?
>
> def test2(foo, *args, &block)
>    block ||= args.last
>    block[]
> end
>
> test2('xyz') {puts 1}
> test2('xyz', proc {puts 1})
D'oh, didn't think of that. Clearly a much nicer solution. I'm coming 
from Java, that's why I'm sometimes struggling to find these shortcuts 
on my own - I'm not fully accustomed to this degree of freedom. ;)

Cheers!