parse method

  1. @override
Tuple1? parse(
  1. ParseInput<I> input,
  2. ParseState state
)
override

Implementation

@override
Tuple1? parse(ParseInput<I> input, ParseState state) {
  final pos = input.pos;
  if (p1.parse(input, state) != null) {
    if (p2.parse(input, state) != null) {
      return const Tuple1(null);
    }
  }

  input.pos = pos;
}