Method writeDelta

fdbserver/VersionedBTree.actor.cpp:8488–8494

	int deltaSize(const IntIntPair& base, int skipLen, bool worstcase) const { return sizeof(Delta); }

	int writeDelta(Delta& d, const IntIntPair& base, int commonPrefix = -1) const {
		d.prefixSource = false;
		d.deleted = false;
		d.dk = k - base.k;
		d.dv = v - base.v;
		return sizeof(Delta);
	}

	int k;
	int v;