caml-list - the Caml user's mailing list
 help / color / mirror / Atom feed
From: skaller <skaller@users.sourceforge.net>
To: Pietro Abate <Pietro.Abate@anu.edu.au>
Cc: ocaml ml <caml-list@inria.fr>
Subject: Re: [Caml-list] to merge list of lists
Date: Mon, 05 Mar 2007 19:37:39 +1100	[thread overview]
Message-ID: <1173083859.25568.47.camel@rosella.wigram> (raw)
In-Reply-To: <20070305061050.GA21256@pulp.rsise.anu.edu.au>

On Mon, 2007-03-05 at 17:10 +1100, Pietro Abate wrote:
> Hi all,
> I want to write a small function to merge a list of lists
> 
> mergel [] [[1;2;3];[4;5;6];[7;8;9]];;
> - : int list list = [[1; 4; 7]; [2; 5; 8]; [3; 6; 9]]
> 
> I've written it down, but to me, it looks overly complicated :

> I always feel that when solving these kind of problems I miss some
> greater truth ... 

In this case there is a library function:

	List.concat

that already does exactly what you want :)

-- 
John Skaller <skaller at users dot sf dot net>
Felix, successor to C++: http://felix.sf.net


  reply	other threads:[~2007-03-05  8:37 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-05  6:10 Pietro Abate
2007-03-05  8:37 ` skaller [this message]
2007-03-05  8:53   ` [Caml-list] " Jon Harrop
2007-03-05 19:02     ` skaller
2007-03-05 19:40       ` skaller
2007-03-07 14:33     ` Roland Zumkeller
2007-03-05  9:47 ` Zheng Li
2007-03-05 14:42   ` Zheng Li
2007-03-06  0:07 ` [Caml-list] " Pal-Kristian Engstad

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1173083859.25568.47.camel@rosella.wigram \
    --to=skaller@users.sourceforge.net \
    --cc=Pietro.Abate@anu.edu.au \
    --cc=caml-list@inria.fr \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).