Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of apfelmus
Sent: 17 December 2007 12:34
To: haskell-cafe@haskell.org
Subject: [Haskell-cafe] Re: OOP'er with (hopefully) trivial
questions.
Nicholls, Mark wrote:
data Shape = Circle Int
| Rectangle Int
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Nicholls, Mark
The open case (as in OO) seems to be more like the Haskell class
construct, i.e. if new types declare themselves to be members
of a class
then they must satisfy certain constaintsI can then
specify equals
On Dec 17, 2007 1:18 PM, Nicholls, Mark [EMAIL PROTECTED] wrote:
Not really with this...
The open case (as in OO) seems to be more like the Haskell class
construct, i.e. if new types declare themselves to be members of a class
then they must satisfy certain constaintsI can then specify
On Dec 17, 2007 8:18 AM, Nicholls, Mark [EMAIL PROTECTED] wrote:
The approach is deliberate...but I accept may be harder than it needs to
be...I'm interested in Haskell because of the alleged power/formality of
it's type system against the relatively weakness of OO ones...the irony
at the
There was a thread about this recently.
In any case, if you load the code interpreted (which happens if there
is no .o or .hi file of the module lying around), then you can
look inside all you want. But if it loads compiled, then you only
have access to the exported symbols. The reason is
