Hello Mark,
Thursday, January 10, 2008, 4:25:20 PM, you wrote:
instance Num a = A a
Mean the same thing as
instance A (forall a.Num a=a)
programmers going from OOP world always forget that classes in Haskell
doesn't the same as classes in C++. *implementation* of this instance
require to
-Original Message-
From: Bulat Ziganshin [mailto:[EMAIL PROTECTED]
Sent: 10 January 2008 13:36
To: Nicholls, Mark
Cc: Luke Palmer; haskell-cafe@haskell.org
Subject: Re[2]: [Haskell-cafe] confusion about 'instance'
Hello Mark,
Thursday, January 10, 2008, 4:25:20 PM, you
On Jan 10, 2008 2:04 PM, Nicholls, Mark [EMAIL PROTECTED] wrote:
I can translate OO into mathematical logic pretty easily, I was trying
to do the same thing (informally of course) with Haskellbut things
are not quite what they appearnot because of some OO hang up (which
I probably have
On Jan 10, 2008 1:36 PM, Bulat Ziganshin [EMAIL PROTECTED] wrote:
Hello Mark,
Thursday, January 10, 2008, 4:25:20 PM, you wrote:
instance Num a = A a
Mean the same thing as
instance A (forall a.Num a=a)
programmers going from OOP world always forget that classes in Haskell
doesn't
]: [Haskell-cafe] confusion about 'instance'
On Jan 10, 2008 2:04 PM, Nicholls, Mark [EMAIL PROTECTED]
wrote:
I can translate OO into mathematical logic pretty easily, I was
trying
to do the same thing (informally of course) with Haskellbut
things
are not quite what they appear
On 10 Jan 2008, at 6:04 AM, Nicholls, Mark wrote:
-Original Message-
From: Bulat Ziganshin [mailto:[EMAIL PROTECTED]
Sent: 10 January 2008 13:36
To: Nicholls, Mark
Cc: Luke Palmer; haskell-cafe@haskell.org
Subject: Re[2]: [Haskell-cafe] confusion about 'instance'
Hello Mark
