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author | William Carroll <wpcarro@gmail.com> | 2020-08-05T22·20+0100 |
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committer | William Carroll <wpcarro@gmail.com> | 2020-08-05T22·21+0100 |
commit | 244503bba91c9a99c9ab5a6a74b74d5c9bd9667e (patch) | |
tree | e26248c17d4374ab69647e461613b5bb15a1513c /scratch/brilliant/Utils.hs | |
parent | 61a2fb108dcdcc599ad9fe9de7b02d1181aec2d1 (diff) |
Support App.transform
Apply the transform to a Keyboard. Onwards to the final demonstration!
Diffstat (limited to 'scratch/brilliant/Utils.hs')
-rw-r--r-- | scratch/brilliant/Utils.hs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/scratch/brilliant/Utils.hs b/scratch/brilliant/Utils.hs index 2f401af2fb8f..c69d00333b8e 100644 --- a/scratch/brilliant/Utils.hs +++ b/scratch/brilliant/Utils.hs @@ -6,3 +6,8 @@ import Data.Function ((&)) (|>) :: a -> (a -> b) -> b (|>) = (&) + +-- | Rotate `xs` as a cycle `n` times. +rotate :: Int -> [a] -> [a] +rotate n xs = take size . drop (n `mod` size) . cycle $ xs + where size = length xs |