FastTags.Util

Generic utilities.

Documentation

readFileLenient :: FilePath -> IO Text

Read a UTF8 file, but don't crash on encoding errors.

dropBefore :: (a -> Bool) -> [a] -> [a]

Drop until the element before the matching one. Return [] if the function never matches.

sortOn :: Ord k => (a -> k) -> [a] -> [a]

split :: Eq a => a -> [a] -> [[a]]

Split list into chunks delimited by specified element.

headt :: Text -> Maybe Char

mhead :: [a] -> Maybe a

mlast :: [a] -> Maybe a

keyOn :: (a -> k) -> [a] -> [(k, a)]

groupOn :: Eq k => (a -> k) -> [a] -> [[a]]

groupOnKey :: Ord key => (a -> key) -> [a] -> [(key, [a])]

Group the unsorted list into (key x, xs) where all xs compare equal after key is applied to them. List is returned in sorted order.

isSymbolCharacterCategory :: GeneralCategory -> Bool

unique :: Ord a => [a] -> [a]