Function unpackValueTuple

fdbserver/storageserver.actor.cpp:4029–4040

}

void unpackValueTuple(Tuple** referenceTuple, Optional<Tuple>& valueTuple, KeyValueRef* keyValue) {
	if (!valueTuple.present()) {
		// May throw exception if the value is not parsable as a tuple.
		try {
			valueTuple = Tuple::unpack(keyValue->value);
		} catch (Error& e) {
			TraceEvent("ValueNotTuple").error(e).detail("Value", keyValue->value.printable());
			throw value_not_tuple();
		}
	}
	*referenceTuple = &valueTuple.get();
}

bool unescapeLiterals(std::string& s, std::string before, std::string after) {
	bool escaped = false;