From: Brian Hurt <bhurt@janestcapital.com>
To: Edgar Friendly <thelema314@gmail.com>
Cc: Yaron Minsky <yminsky@cs.cornell.edu>,
caml-list <caml-list@yquem.inria.fr>
Subject: Re: [Caml-list] Compiler feature - useful or not?
Date: Wed, 14 Nov 2007 11:20:07 -0500 [thread overview]
Message-ID: <473B2037.6040704@janestcapital.com> (raw)
In-Reply-To: <473B1DC4.8030307@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 1106 bytes --]
Edgar Friendly wrote:
>Yaron Minsky wrote:
>
>
>>module type Abs_int : sig
>>type t
>>val to_int : t -> int
>>val of_int : int <- t
>>end
>>
>>And then you write concrete module Int that implements this signature. You
>>can then write:
>>
>>module Row : Abs_int = Int
>>module Col : Abs_int = Int
>>
>>
>>
>This approximates my idea of "optimal" well enough that I'll rewrite
>some of my old code to use it. It loses some opportunities for compiler
>optimization, but otherwise seems perfect. No repetitive boilerplate to
>write over and over, no unnecessary boxing, efficient conversion to the
>base type (well, it still requires a function call to find out that
>nothing needs to change, and maybe there's a shallow copy created in
>this process), easy on the eyes/fingers syntax for conversion and
>declaration and a readable type name for ocamlc to report when things go
>wrong.
>
>
Actually, Ocaml is pretty good at cross-module inlining, so that
normally the function call is optimized out, and the whole conversion
becomes a no-op. Or, at least, such has been my experience.
Brian
[-- Attachment #2: Type: text/html, Size: 1518 bytes --]
next prev parent reply other threads:[~2007-11-14 16:20 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-13 23:41 Edgar Friendly
2007-11-14 0:08 ` [Caml-list] " Yaron Minsky
2007-11-14 0:21 ` Martin Jambon
2007-11-14 7:58 ` Pierre Weis
2007-11-14 12:37 ` Alain Frisch
2007-11-14 13:56 ` Virgile Prevosto
2007-11-14 14:35 ` Pierre Weis
2007-11-14 16:38 ` Alain Frisch
2007-11-14 18:43 ` Pierre Weis
2007-11-14 19:19 ` Edgar Friendly
2007-11-15 6:29 ` Alain Frisch
2007-11-15 13:26 ` Pierre Weis
2007-11-15 17:29 ` Edgar Friendly
2007-11-15 20:28 ` Fernando Alegre
2007-11-16 0:47 ` Brian Hurt
2007-11-15 22:37 ` Michaël Le Barbier
2007-11-15 22:24 ` Michaël Le Barbier
2007-11-16 0:30 ` Yaron Minsky
2007-11-16 1:51 ` Martin Jambon
2007-11-16 9:23 ` Alain Frisch
2007-11-16 14:17 ` rossberg
2007-11-16 15:08 ` Martin Jambon
2007-11-16 16:43 ` Martin Jambon
2007-11-16 16:46 ` Till Varoquaux
2007-11-16 17:27 ` Edgar Friendly
2007-11-16 17:47 ` Martin Jambon
2007-11-16 17:54 ` Edgar Friendly
2007-11-16 18:10 ` Fernando Alegre
2007-11-16 19:18 ` David Allsopp
2007-11-16 19:32 ` Fernando Alegre
2007-11-16 19:50 ` Gerd Stolpmann
2007-11-16 17:31 ` Fernando Alegre
2007-11-16 17:43 ` Edgar Friendly
2007-11-16 0:46 ` Christophe TROESTLER
2007-11-16 8:23 ` Andrej Bauer
2007-11-16 8:58 ` Jean-Christophe Filliâtre
2007-11-16 9:13 ` Andrej Bauer
2007-11-16 9:48 ` Christophe TROESTLER
2007-11-14 16:57 ` Edgar Friendly
2007-11-14 21:04 ` Pierre Weis
2007-11-14 22:09 ` Edgar Friendly
2007-11-15 0:17 ` Jacques Garrigue
2007-11-15 6:23 ` Edgar Friendly
2007-11-15 10:53 ` Vincent Hanquez
2007-11-15 13:48 ` Jacques Carette
2007-11-15 14:43 ` Jon Harrop
2007-11-15 16:54 ` Martin Jambon
2007-11-14 16:09 ` Edgar Friendly
2007-11-14 16:20 ` Brian Hurt [this message]
2007-11-14 11:01 ` Gerd Stolpmann
2007-11-14 10:57 ` Jon Harrop
2007-11-14 14:37 ` Zheng Li
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=473B2037.6040704@janestcapital.com \
--to=bhurt@janestcapital.com \
--cc=caml-list@yquem.inria.fr \
--cc=thelema314@gmail.com \
--cc=yminsky@cs.cornell.edu \
/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).