Safe Haskell	Safe-Inferred
Language	Haskell2010

Slab.Error

Description

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.

Synopsis

data Error
- = ParseError (ParseErrorBundle Text Void)
- | PreProcessError Text
- | EvaluateError Text
- | ExecuteError Text
unwrap :: Either Error a -> IO a
display :: Error -> IO ()

Documentation

data Error Source #

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

Instances details

Show Error Source #
Instance details Defined in Slab.Error Methods showsPrec :: Int -> Error -> ShowS # show :: Error -> String # showList :: [Error] -> ShowS #
Eq Error Source #
Instance details Defined in Slab.Error Methods (==) :: Error -> Error -> Bool # (/=) :: Error -> Error -> Bool #

unwrap :: Either Error a -> IO a Source #

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

display :: Error -> IO () Source #