[Haskell-cafe] Is join useful for every monad?

[Ruben Astudillo]

On 14-10-19 16:45, Carter Schonwald wrote:
>  And while join is not at the moment in the Monad typeclass because of
> newtype stuff

Could you expand a bit on this? I remember this being on a
Applicative-Monad proposal but I couldn't understand why it wasn't
technically possible.

-- 
-- Ruben
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