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