text-zipper-monad

text-zipper-monad provides a monadic interface to the text-zipper package.

Usage

import Data.Text.Zipper
import qualified Data.Text.Zipper.Edit as Z

insertXAtTheBeginning = do
  Z.moveCursor (0, 0)
  Z.insertChar 'x'

main = do
  let tz = stringZipper ["abc", "def"] Nothing
      newTz = Z.execEdit insertXAtTheBeginning tz
  putStrLn (unlines (getText newTz))