[Haskell-cafe] Wow Monads!
jeffbrown.the at gmail.com
Sat Apr 15 19:18:07 UTC 2017
Using monads without static typing sounds hard. When I do anything monadic,
I'm constantly using the :t directive to check type signatures, to make
sure I'm plugging the right thing into the right thing.
On Sat, Apr 15, 2017 at 11:43 AM, Jack Hill <jackhill at jackhill.us> wrote:
> On Sat, 15 Apr 2017, David McClain wrote:
> It’s been about 15 years on/off since I first looked at Monads. This
>> weekend I finally sat down and really learned what they are, how they work.
>> I found what looks like the
>> seminal paper on them by Phil Wadler:
>> I’m a pretty heavy Common Lisp guy, going on 30 years with it. I also did
>> tons of SML and OCaml programming. But I only dipped my toe into Haskell a
>> few times.
>> What I was looking for was a more in-depth understanding of Monads and
>> how they work. I remember reading that Wadler paper many years ago, and I
>> was intrigued by the conciseness
>> of changing the interpreter to do different instrumentation. I was hoping
>> to find a magic bullet like that for my Lisp code. And I noticed that Lisp
>> almost never makes any
>> mention of Monads. Surely there is a benefit that could be had…
>> Anyone else have Lisp experience using Monads? Did it offer some major
>> enhancements for you?
>> - DM
> Hi David,
> My lisp experience comes mostly from Scheme, but GNU Guix build
> tool/package manager has a monad abstraction: <
> They've even borrowed used >>= notation for bind.
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