copy method
Returns a shallow copy of the receiver.
Override this method in all subclasses, return its own type.
Implementation
@override
SequenceParser2<R1, R2> copy() => SequenceParser2<R1, R2>(parser1, parser2);
copy method
Returns a shallow copy of the receiver.
Override this method in all subclasses, return its own type.
@override
SequenceParser2<R1, R2> copy() => SequenceParser2<R1, R2>(parser1, parser2);