From: "Daniel Schüssler" <danlex@gmx.de>
To: categories@mta.ca
Subject: Re: Functions in programming
Date: Mon, 16 Mar 2009 05:25:23 +0100 [thread overview]
Message-ID: <E1LjMTM-0001P2-KE@mailserv.mta.ca> (raw)
Hello,
On Sunday 15 March 2009 23:18:41 Robin Cockett wrote:
> There is one problem, of course: Haskell does not think this is legal as
> it thinks all datatypes should have at least one constructor.
With GHC you can have empty types if you include the {-#
OPTIONS -XEmptyDataDecls #-} pragma :)
Greetings,
Daniel
next reply other threads:[~2009-03-16 4:25 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-16 4:25 Daniel Schüssler [this message]
-- strict thread matches above, loose matches on Subject: below --
2009-03-21 16:06 Bill Lawvere
2009-03-20 21:18 Robin Cockett
2009-03-19 15:37 Peter Selinger
2009-03-19 15:37 Peter Selinger
2009-03-19 14:18 Peter Selinger
2009-03-19 14:11 MigMit
2009-03-19 2:32 Robin Cockett
2009-03-18 15:34 Bill Lawvere
2009-03-17 23:06 Robin Cockett
2009-03-17 5:17 Nathan Bloomfield
2009-03-16 15:12 Andrew Stacey
2009-03-16 11:37 Miles Gould
2009-03-16 9:27 Tom Hirschowitz
2009-03-16 5:52 Vaughan Pratt
2009-03-15 23:55 Thorsten Altenkirch
2009-03-15 22:18 Robin Cockett
2009-03-14 19:52 Ellis D. Cooper
2009-03-14 17:39 Thorsten Altenkirch
2009-03-14 14:58 Steve Stevenson
2009-03-14 14:51 Miguel Mitrofanov
2009-03-14 9:51 Luis Barbosa
2009-03-14 6:02 Vaughan Pratt
2009-03-14 3:38 Fred E.J. Linton
2009-03-14 3:22 Michael Shulman
2009-03-14 2:21 Charles Wells
2009-03-13 11:29 Andrew Stacey
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