Method evaluate

src/QLExpression.actor.cpp:221–228

}

GenFutureStream<Reference<IReadContext>> ExtPathExpression::evaluate(Reference<IReadContext> const& document) {
	PromiseStream<Reference<IReadContext>> p;
	GenFutureStream<Reference<IReadContext>> r(p.getFuture());
	r.actor = doPathExpansion(p, path, document, 1, true, expandLastArray && path.size(),
	                          imputeNulls); // Even if expandLastArray, the empty path ->"" not ->"$n?"

	return r;
}