parse method

@override @inline Tuple1<O>? parse(ParseInput<I> input, ParseState state)

Implementation

@override
@inline
Tuple1<O>? parse(ParseInput<I> input, ParseState state) {
  final r1 = p1.parse(input, state);
  if (r1 != null) {
    return r1;
  }

  final r2 = p2.parse(input, state);
  if (r2 != null) {
    return r2;
  }

  final r3 = p3.parse(input, state);
  if (r3 != null) {
    return r3;
  }

  final r4 = p4.parse(input, state);
  if (r4 != null) {
    return r4;
  }

  final r5 = p5.parse(input, state);
  if (r5 != null) {
    return r5;
  }

  final r6 = p6.parse(input, state);
  if (r6 != null) {
    return r6;
  }
}