[Haskell-beginners] figured out use for join!

Marcin Mrotek marcin.jan.mrotek at gmail.com
Thu Nov 12 09:17:09 UTC 2015


> using the Maybe monad would be useful.

But he already is? Anyway, `(x >>= f) == join (fmap f x)`

Best regards,
Marcin Mrotek
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