From: botp <botpena@...>
Date: 2010-12-29T16:01:48+09:00
Subject: Re: What am I missing about splat operator?

On Wed, Dec 29, 2010 at 10:50 AM, RichardOnRails
<RichardDummyMailbox58407@uscomputergurus.com> wrote:
> In trying to understand the splat operator, I visited:
> http://theplana.wordpress.com/2007/03/03/ruby-idioms-the-splat-operator/
>
> The first example that site offers is:
>   The split mode :
>   pet1, pet2, pet3 = *["duck","dog","cat"]
>
> That resulted in pet1 == "duck", etc
>
> But so did:
>   pet1, pet2, pet3 = ["duck","dog","cat"] # no splat operator
> and#
>   pet1, pet2, pet3 = "duck","dog","cat" # no array-literal markers
>
> So this first example makes no sense, does it?

The splat operator is more explicit and versatile.

try the ff

  x,*y,z=*[1,2,3,4,5], 100,200


also, some methods that do not accept array argument is just a splat away,  eg

  printf("%d %d %d",*[1,2,3])


best regards -botp