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module Utils where
import Control.Exception
import System.Directory
import System.IO
withTempFile :: FilePath -> String -> ((FilePath, Handle) -> IO a) -> IO a
withTempFile tmpdir template =
bracket (openTempFile tmpdir template) (removeFile . fst)
mintercalate :: Monoid b => b -> [b] -> b
mintercalate c (h:t) = foldl (\acc x -> acc <> c <> x) h t
mintercalate _ [] = mempty
padl :: Int -> a -> [a] -> [a]
padl n c s =
if length s < n
then padl n c (c:s)
else s
padr :: Int -> a -> [a] -> [a]
padr n c s =
if length s < n
then padr n c (s ++ [c])
else s
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