NOTE: the latest version is 1.1.0
Helper functions to develop/test your own parser using elm/parser.
Check if a parser is backtrackable or not.
run (keyword "import") "imp" --> (Err _, True) run (keyword "import") "import" --> (Ok (), False) run spaces " " --> (Ok (), False) run (backtrackable spaces) " " --> (Ok (), True)
Check if a parser is backtrackable or not.