Chapter2 my solutions #2
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Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
melli79
commented
Sep 29, 2023
| rotate = error "rotate: Not implemented!" | ||
| rotate :: Int -> [a] -> [a] | ||
| rotate 0 xs = xs | ||
| rotate n xs = take (length xs) (drop n (cycle xs)) |
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Is there a way to treat infinite lists effectively as rotate n xs = drop n xs?
melli79
commented
Sep 29, 2023
| rewind = error "rewind: Not Implemented!" | ||
| rewind :: [a] -> [a] | ||
| rewind [] = [] | ||
| rewind (x:xs) = (rewind xs)++[x] |
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In a procedural language I would swap the elements from the outer ends on inwards with a for loop. I wonder whether this implementation will scatter the list all over the stack?
Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
Signed-off-by: Melchior <[email protected]>
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Solutions for Chapter {2}
cc @vrom911