From: Massimiliano Mirra <list@...>
Date: 2002-11-19T08:54:27+09:00
Subject: Re: ruby-dev summary 18711-18810

On Tue, Nov 19, 2002 at 12:19:50AM +0900, dblack@candle.superlink.net wrote:
> > |Do you mean that map_with_index has been rejected on its own, or just
> > |as a zip implementation?
> Hmmmm....  I'll try to think of some examples.  It certainly seems to
> me to be at least as useful as each_with_index, potentially (i.e., if
> it existed :-)

I guess, if zip existed, you could simulate that with:

a = ["a", "b", "c", "d"]
a.zip(0...a.length).map {|item, index| ...}

By the way, just like we have each_line, each_value, each_pair,
each_byte... what about each_zip and map_zip as method names?

a.map_zip(0...a.length) {|item, index| ...}


Massimiliano