[Agda] Monads in std lib
Daniel Peebles
pumpkingod at gmail.com
Thu Oct 1 23:56:37 CEST 2009
I've wondered about this before. What is the purpose of the
Raw<structure>/<structure> distinction in the standard library? I've
noticed it in the Algebra module too.
Thanks,
Dan
On Thu, Oct 1, 2009 at 9:19 AM, Nils Anders Danielsson
<nad at cs.nott.ac.uk> wrote:
> On 2009-10-01 12:07, Jim Burton wrote:
>>
>> Tips?
>
> module MonadExample where
>
> open import Category.Monad
> open import Data.Maybe as Maybe
> open import Data.Nat
>
> maybeAdd : Maybe ℕ → Maybe ℕ → Maybe ℕ
> maybeAdd x y = x >>= λ x' →
> y >>= λ y' →
> return (x' + y')
> where open RawMonad Maybe.monad
>
> --
> /NAD
>
>
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