public int getSlot() {
			return slot;
		}
An edge between a Varnode and a PcodeOp

A DynamicHash is defined on a sub-graph of the data-flow, and this defines an edge
in the sub-graph.  The edge can either be from an input Varnode to the PcodeOp
that reads it, or from a PcodeOp to the Varnode it defines.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/pcode/DynamicHash.java