9.6 - Parsers.csListOfN
9.9 - Create JSON parser
9.13 - ParserImpl's string, regex, succeed and slice
9.15 - ParserImpl.run
10.1 - Monoids for integer addition, multiplication and boolean and/or
10.2 - Monoid for Option
10.3 - Endofunction monoid
10.4 - Monoid laws
10.5 - Monoid.foldMap
10.6 - Monoid foldLeft and foldRight using foldMap
10.7 - Monoid foldMapV for IndexedSeq with recursion
10.8 - Monoid's par and parFoldMap
10.9 - Monoid.ordered using foldMapV