List comprehensions: Difference between revisions
→{{header|Haskell}}: Used mzero rather than [] in immediate desugaring
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(→{{header|Haskell}}: Used mzero rather than [] in immediate desugaring) |
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and both of the above could be de-sugared to:
<lang haskell>
pyth :: Int -> [(Int, Int, Int)]
pyth n =
[1 .. n] >>=
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case x ^ 2 + y ^ 2 == z ^ 2 of
True -> return (x, y, z)
False ->
which can be further specialised (given the particular context of the list monad, in which >>= is concatMap) to:
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