Slab.Error

Slab.Error provides a data type to represent all the errors emitted by Slab. It also provides helper functions to report errors in a human-readable way.

Documentation

data Error

Represent all errors emitted by Slab. I.e. this is used in each stage (Parse, PreProcess, Evaluate, ExecuteError).

Constructors

ParseError (ParseErrorBundle Text Void)

PreProcessError Text

EvaluateError Text

ExecuteError Text

Instances

Show Error

Defined in Slab.Error

Methods

showsPrec :: Int -> Error -> ShowS

show :: Error -> String

showList :: [Error] -> ShowS

Eq Error

Defined in Slab.Error

Methods

(==) :: Error -> Error -> Bool

(/=) :: Error -> Error -> Bool

unwrap :: Either Error a -> IO a

Extract a Right value, or die, emitting an error message.

display :: Error -> IO ()