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Results tagged with monads
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user 14964
A monad in programming is a composable computation description. Monads are an important construct in functional programming languages like Haskell.
1
vote
Safe stack operations with lens
I don't really see how lens will help you at all here, but you can certainly take advantage of monad transformers to handle part of your calculations, and make it so that you can layer you stack opera …
- 191
1
vote
Applicative permutation to generate knight moves
I don't know about "more elegant", but there is this:
moveKnight start =
filter onBoard $
f (f ((,) <$> [(+),(-)] <*> [(+),(-)]) <*> [start]) <*> [(1,2), (2,1)]
where
onBoard = (`elem` ((,) …
- 191