Applicative #3
Description
If m and n are two Option[int], I want to add them up. How can I finish this? I learnt haskell these days and it uses applicative (a special functor) to do this. Maybe an apply method is needed?
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If m and n are two Option[int], I want to add them up. How can I finish this? I learnt haskell these days and it uses applicative (a special functor) to do this. Maybe an apply method is needed?