Functions are a type of monad, and function composition is a type of
monadic binding. You could certainly say that middleware are a type of
monad, but so many things can be thought of as monads that's not hugely
useful in and of itself.
- James
On 1 July 2016 at 18:14, Scott Klarenbach <doyouunderst...@gmail.com> wrote:
> I'm looking for some insight into the relationship between Monads and
> Middleware.
>
> It seems to me that middleware (ala Ring, Boot) is really just a subset of
> Monads, where bind and lift are globally agreed upon conventions, rather
> than explicitly defined. For example, with middleware you need every
> function to accept and return the same signature so as to be composable,
> whereas with monads you explicitly provide the code for binding and lifting
> into and out of the monad world.
>
> My basic questions are:
>
> 1.) Is middleware really a monad with a different name?
> 2.) Is there any compelling reason to use monads in clojure instead of
> middleware?
> 3.) Are there classes of problems that can be solved with monads that
> can't be solved with middleware?
> 4.) Is there any benefit (beyond curiosity) to porting/re-implementing
> middleware as monads?
>
> Thanks.
>
> Scott Klarenbach
> www.invisiblerobot.io
>
>
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