parse method

  1. @override
Result<Object?>? parse(
  1. State<I> state
)
override

Parses the input and returns a result wrapped in Result if successful, null otherwise.

Implementation

@override
Result<Object?>? parse(State<I> state) {
  final pos = state.pos;
  final r1 = p1.fastParse(state);
  if (r1) {
    final r2 = p2.fastParse(state);
    if (r2) {
      return const Result(null);
    }

    state.pos = pos;
  }

  return null;
}