copy method
Creates a shallow copy of this parser.
Overridden in subclasses to return an instance of the specific parser type.
Implementation
@override
SequenceParser<R> copy() => SequenceParser<R>(children);
Creates a shallow copy of this parser.
Overridden in subclasses to return an instance of the specific parser type.
@override
SequenceParser<R> copy() => SequenceParser<R>(children);