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Oct 24, 2018 at 9:59 comment added schuelermine The default bind operator is (>>=), what you showed is the reverse bind operator.
Oct 24, 2018 at 9:57 history edited schuelermine CC BY-SA 4.0
changed code
Oct 24, 2018 at 9:52 history edited schuelermine CC BY-SA 4.0
actually changed link
Oct 23, 2018 at 14:14 history edited Laikoni CC BY-SA 4.0
fixed ypo
Oct 23, 2018 at 14:13 comment added Laikoni A few more: Instead of using map the conversion to string can be put into the list comprehension. concat.map is common enough that there exists a build-in called concatMap, however the overloading of the bind operator =<< on lists has the same effect and is even shorter.
Oct 23, 2018 at 8:38 history edited schuelermine CC BY-SA 4.0
added 24 characters in body
Oct 22, 2018 at 22:01 comment added Laikoni Nice approach, but unfortunately lists of digits are not valid output. However, there a few ways you can save some bytes to make up for the additional ones you need for the final conversion to a string. First of all, a list comprehension is shorter than filter and you can drop the second space in elem 0 x.
Oct 22, 2018 at 16:02 history edited schuelermine CC BY-SA 4.0
added 304 characters in body
Oct 22, 2018 at 15:49 history answered schuelermine CC BY-SA 4.0