Another possible solution is the usage of functional parsers (e.g.: [0]) and making use of some form of the ‘do’ notation. Each step makes its result available

Another possible solution is the usage of functional parsers (e.g.: [0]) and making use of some form of the ‘do’ notation. Each step makes its result available to all subsequent parsers. [0] https://hackage.haskell.org/package/parsec https://hackage.haskell.org/package/parsec