This object contains implicit conversions that come in handy when using the ^^ combinator.
JavaTokenParsers differs from scala.util.parsing.combinator.RegexParsers
by adding the following definitions:
PackratParsers is a component that extends the parser combinators
provided by scala.util.parsing.combinator.Parsers with a memoization
facility (Packrat Parsing).
Parsers is a component that provides generic parser combinators.
The most important differences between RegexParsers and
scala.util.parsing.combinator.Parsers are: