[Haskell-cafe] Is there anyone out there who can translate
C# generics into Haskell?
Nicholls.Mark at mtvne.com
Thu Jan 3 10:40:13 EST 2008
I do not necessarily disagree....
But if I can identify the overlap....then I have leant the overlap...on
From: Bulat Ziganshin [mailto:bulat.ziganshin at gmail.com]
Sent: 03 January 2008 14:39
To: Nicholls, Mark
Cc: Bulat Ziganshin; haskell-cafe at haskell.org
Subject: Re: [Haskell-cafe] Is there anyone out there who can
translate C# generics into Haskell?
Thursday, January 3, 2008, 2:13:08 PM, you wrote:
of course *some* overlap exists but in order to understand it you
should know exact shape of both methods
when i tried to develop complex library without understanding t.c.
implementation, i constantly goes into the troubles - things that i
(using my OOP experience) considered as possible, was really
impossible in Haskell
so i'm really wonder why you don't want to learn the topic thoroughly
> I loosely do understand....but very loosely....but I'm not, as yet,
> convinced it is completely relevant.
> The implementation may differ, but that does not mean that there is no
> overlap....I am not expecting one model to be a superset of the other,
> but I am expecting some sort of overlap between 'interface'
> implementation and type class instance declaration.
> -----Original Message-----
> From: Bulat Ziganshin [mailto:bulat.ziganshin at gmail.com]
> Sent: 03 January 2008 10:54
> To: Nicholls, Mark
> Cc: Bulat Ziganshin; haskell-cafe at haskell.org
> Subject: Re: [Haskell-cafe] Is there anyone out there who can
> translate C# generics into Haskell?
> Hello Mark,
> Thursday, January 3, 2008, 1:22:26 PM, you wrote:
> because they have different models. i recommend you to start from
> learning this model, otherwise you will don't understand how Haskell
> really works and erroneously apply your OOP knowledge to Haskell data
> shortly said, there are 3 ways to polymorphism:
> 1) C++ templates - type-specific code generated at compile time
> 2) OOP classes - every object carries VMT which allows to select
> type-specific operation
> 3) type classes - dictionary of type-specific operations is given as
> additional hidden argument to each function
> Haskell uses t.c. and its abilities are dictated by this
> implementation. there is no simple and direct mapping between
> features provided by OOP and t.c.
>> Can you give me a summary of why it's meaningless.....both would seem
>> describe/construct values/objects....they may not be equivalent, but
>> would expect some considerable overlap.
>> -----Original Message-----
>> From: Bulat Ziganshin [mailto:bulat.ziganshin at gmail.com]
>> Sent: 02 January 2008 20:29
>> To: Nicholls, Mark
>> Cc: haskell-cafe at haskell.org
>> Subject: Re: [Haskell-cafe] Is there anyone out there who can
>> C# generics into Haskell?
>> Hello Mark,
>> Wednesday, January 2, 2008, 7:40:31 PM, you wrote:
>>> I'm trying to translate some standard C# constucts into Haskell...
>> it's meaningless. read
>> and especially papers mentioned in the References
Bulat mailto:Bulat.Ziganshin at gmail.com
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