The FIRST set for this parser, or the empty set if the production goes to \epsilon.
For terminal parsing, this just delegates back to apply()
For terminal parsing, this just delegates back to apply()
(terminalParser: StringAdd).+(other)
(terminalParser: StringAdd).self
(terminalParser: StringFormat).self
(terminalParser: ArrowAssoc[TerminalParser[R]]).x
(Since version 2.10.0) Use leftOfArrow
instead
(terminalParser: Ensuring[TerminalParser[R]]).x
(Since version 2.10.0) Use resultOfEnsuring
instead