parse method

@override Tuple1<Tuple6<O1, O2, O3, O4, O5, O6>>? parse(ParseInput<I> input, ParseState state)

Implementation

@override
Tuple1<Tuple6<O1, O2, O3, O4, O5, O6>>? parse(
    ParseInput<I> input, ParseState state) {
  final pos = input.pos;
  final r1 = p1.parse(input, state);
  if (r1 != null) {
    final r2 = p2.parse(input, state);
    if (r2 != null) {
      final r3 = p3.parse(input, state);
      if (r3 != null) {
        final r4 = p4.parse(input, state);
        if (r4 != null) {
          final r5 = p5.parse(input, state);
          if (r5 != null) {
            final r6 = p6.parse(input, state);
            if (r6 != null) {
              final v1 = Tuple6(r1.$0, r2.$0, r3.$0, r4.$0, r5.$0, r6.$0);
              return Tuple1(v1);
            }
          }
        }
      }
    }
  }

  input.pos = pos;
}