From: Julian Leviston <julian@...>
Date: 2008-04-02T15:50:43+09:00
Subject: Re: inject's pathological case...

Yeah, even map/collect is annoying enough.

Julian.


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On 02/04/2008, at 5:41 PM, David A. Black wrote:

> 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