[Haskell-cafe] Applicative of Applicative

[Nikita Volkov]

> Have you considered making Temporal a Monad? All monads by definition
> provide a `join :: m (m a) -> m a` which flattens their nested
> structure.

Actually `join` is exactly the operation that makes the difference between
Monad and Applicative Functor. Monad's binding operation can easily be
defined using a combination of `join` and `fmap`:

(>>=) m f = join (fmap f m)

So my bet is that the answer to the OP's question lies in Monad.
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