module Main import Control.IOExcept import Control.ST import Control.ST.File import Control.ST.ImplicitCall testFile : (ConsoleIO m, File m) => ST m () [] testFile = with ST do Right str <- readFile "noneexistingtestFile" | Left ferr => do putStrLn (show ferr) pure () putStr str pure () main : IO () main = do putStrLn "--test IO:" run testFile putStrLn "--test IOExcept:" ioe_run (run testFile) (\err => putStrLn err) (\ok => printLn ok) -- EOF -------------------------------------------------------------------------