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Today's Topics:
1. Partial application and lazy evalutaion (Shishir Srivastava)
2. Re: Partial application and lazy evalutaion (Harald Hanche-Olsen)
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Message: 1
Date: Sat, 15 Aug 2015 13:24:15 +0100
From: Shishir Srivastava <[email protected]>
To: beginners <[email protected]>
Subject: [Haskell-beginners] Partial application and lazy evalutaion
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<CALe5RTvA9oVm3diEw=y8uucdcfaah82g4nqr1uyuclpamfa...@mail.gmail.com>
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Hi,
Is partial application feature of functions in haskell a direct outcome of
lazy evaluation ?
i.e Since functions are not evaluated until at the point where results are
required this allows haskell functions to be partially applied because
they're not evaluated and hence exist as thunk.
Thanks,
Shishir
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Message: 2
Date: Sat, 15 Aug 2015 17:16:04 +0200
From: Harald Hanche-Olsen <[email protected]>
To: The Haskell-Beginners Mailing List - Discussion of primarily
beginner-level topics related to Haskell <[email protected]>
Subject: Re: [Haskell-beginners] Partial application and lazy
evalutaion
Message-ID: <[email protected]>
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Shishir Srivastava wrote:
> Is partial application feature of functions in haskell a direct outcome
> of lazy evaluation ?
I wouldn't say so. If f is a function of two variables, then you can
think of (f x) as being just an easier way to write \y -> f x y.
And surely, you can do that in any language with lambdas, whether lazy
or not. You can even do it in javascript: function (y) { return f(x,y) }.
? Harald
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