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List comprehensions: Difference between revisions

List comprehensions (view source)

Revision as of 16:04, 14 May 2017

11 bytes removed ,  7 years ago
→‎{{header|Haskell}}: Removed redundant brackets
(→‎{{header|Haskell}}: Used mzero rather than [] in immediate desugaring)
(→‎{{header|Haskell}}: Removed redundant brackets)
Line 840:
pyth n =
[1 .. n] >>=
(\x ->
[x .. n] >>=
(\y ->
[y .. n] >>=
(\z ->
case (((x ^ 2) + (y ^ 2)) == (z ^ 2)) of
True -> return (x, y, z)
False -> mzero)))</lang>
 
which can be further specialised (given the particular context of the list monad, in which >>= is concatMap) to:
Hout
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