Bug #56206 for List-AllUtils: please include List::Pairwise

Thu Apr 01 15:20:37 2010 norbi [...] nix.hu - Ticket created

Subject:

please include List::Pairwise

It would be great if List::AllUtils would also provide the functions of List::Pairwise (mapp/map_pairwise, grepp/grep_pairwise, firstp/first_pairwise, lastp/last_pairwise, pair). I volunteer to write the patch but first I wanted to make sure you're not against the idea.

Sat Apr 10 17:30:28 2010 autarch [...] urth.org - Correspondence added

Subject:	Re: [rt.cpan.org #56206] please include List::Pairwise
Date:	Sat, 10 Apr 2010 16:30:14 -0500 (CDT)
To:	BUCHMULLER Norbert via RT <bug-List-AllUtils [...] rt.cpan.org>
From:	Dave Rolsky <autarch [...] urth.org>

On Thu, 1 Apr 2010, BUCHMULLER Norbert via RT wrote: Show quoted text

> It would be great if List::AllUtils would also provide the functions of > List::Pairwise (mapp/map_pairwise, grepp/grep_pairwise, > firstp/first_pairwise, lastp/last_pairwise, pair).

I'm kind of torn on this. AllUtils was created primarily to scratch my itch, and I have never used List::Pairwise. I'm also worried that the more modules AllUtils includes, the less useful it becomes in some ways. OTOH, I can see why Pairwise would be useful for some folks. -dave /*============================================================ http://VegGuide.org http://blog.urth.org Your guide to all that's veg House Absolute(ly Pointless) ============================================================*/

Sat Apr 10 17:30:30 2010 The RT System itself - Status changed from 'new' to 'open'

Thu Apr 29 07:22:14 2010 norbi [...] nix.hu - Correspondence added

From:

norbi [...] nix.hu

Show quoted text

> I'm kind of torn on this. AllUtils was created primarily to scratch my > itch, and I have never used List::Pairwise. I'm also worried that the

more Show quoted text

> modules AllUtils includes, the less useful it becomes in some ways.

I understand your reasoning. On the other hand, if you look at it this way maybe I can convince you: * Perl has both arrays and hashes as built-in types (and they're widely used indeed) and they both are frequently initialized/reset from lists * 'map'/'grep' are built-in (and widely used) list operators suitable for arrays/slices * 'map_pairwise'/'grep_pairwise' are list operators suitable for hashes Following that reasoning 'map_pairwise'/'grep_pairwise' do not look like exotic operators. And, after all, this module is called List::AllUtils, not List::AlmostAllUtils. ;-) I'd be more happy if List::MoreUtils would have similar functionality (with XS code), but the current status is that List::Pairwise fills this niche. You can catch me on IRC (nick: norbi) for further discussions. (And sorry for replying so late to your RT comment.)

Mon Aug 26 23:04:23 2013 DROLSKY [...] cpan.org - Correspondence added

The latest List::Util includes functions that do the same thing as List::Pairwise.

Mon Aug 26 23:04:23 2013 DROLSKY [...] cpan.org - Status changed from 'open' to 'resolved'