Pretty

Pretty printing for error messages

data Err

Small DSL for pretty-printing errors

showPretty :: Show a => a -> Text

showPrettyJson :: Value -> Text

printPretty :: Show a => a -> IO ()

Print any Showable type to stderr, formatted nicely and in color. Very helpful for debugging.

prettyErrs :: [Err] -> String

Display a list of Errs as a colored error message and abort the test.

message :: Text -> Err

Plain message to display, as Text

messageString :: String -> Err

Plain message to display, as String

pretty :: Show a => a -> Err

Any Showable to pretty print

prettyString :: String -> Err

Pretty print a String that was produced by show

hscolour' :: String -> String