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02/04/2008, 08h41

Hi --

On Mon, 31 Mar 2008, Yukihiro Matsumoto wrote:

> Hi,
>
> In message "Re: inject's pathological case..."
> on Mon, 31 Mar 2008 00:27:58 +0900, "David A. Black" <dblack@rubypal.com> writes:
>
> |> AFAIK, Matz correct me if I'm wrong, Ruby got the name inject from
> |> Smalltalk, along with collect, select, detect and several other
> |> methods. The other three I mention have alias, map for collect,
> |> find_all for select, and find for detect, but inject is still just
> |> inject in Ruby.
> |
> |It picks up the synonym "reduce" in 1.9 -- which I think is kind of
> |too bad, since inject in Ruby has such a distinctive personality and
> |cult following :-)
>
> reduce, fold, foldl; these are some of the candidates. But I think I
> have to wait for consensus for a while.

I would like to suggest the null alias :-) I think calling it #inject
is fine. It's well-documented that the same function has other names
in other languages; I don't think Ruby needs more than one, and it
just adds the need to explain and account for the synonym.

David

--
Rails training from David A. Black and Ruby Power and Light:
ADVANCING WITH RAILS April 14-17 New York City
INTRO TO RAILS June 9-12 Berlin
ADVANCING WITH RAILS June 16-19 Berlin
See http://www.rubypal.com for details and updates!

02/04/2008, 08h41	#2
David A. Black Messages: n/a Hébergeur:	Re: inject's pathological case... Hi -- On Mon, 31 Mar 2008, Yukihiro Matsumoto wrote: > Hi, > > In message "Re: inject's pathological case..." > on Mon, 31 Mar 2008 00:27:58 +0900, "David A. Black" <dblack@rubypal.com> writes: > > \|> AFAIK, Matz correct me if I'm wrong, Ruby got the name inject from > \|> Smalltalk, along with collect, select, detect and several other > \|> methods. The other three I mention have alias, map for collect, > \|> find_all for select, and find for detect, but inject is still just > \|> inject in Ruby. > \| > \|It picks up the synonym "reduce" in 1.9 -- which I think is kind of > \|too bad, since inject in Ruby has such a distinctive personality and > \|cult following :-) > > reduce, fold, foldl; these are some of the candidates. But I think I > have to wait for consensus for a while. I would like to suggest the null alias :-) I think calling it #inject is fine. It's well-documented that the same function has other names in other languages; I don't think Ruby needs more than one, and it just adds the need to explain and account for the synonym. David -- Rails training from David A. Black and Ruby Power and Light: ADVANCING WITH RAILS April 14-17 New York City INTRO TO RAILS June 9-12 Berlin ADVANCING WITH RAILS June 16-19 Berlin See http://www.rubypal.com for details and updates!