diff options
Diffstat (limited to 'src/Much/Utils.hs')
-rw-r--r-- | src/Much/Utils.hs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/Much/Utils.hs b/src/Much/Utils.hs new file mode 100644 index 0000000..80615fc --- /dev/null +++ b/src/Much/Utils.hs @@ -0,0 +1,28 @@ +module Much.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 |