public boolean completed() {
		return (pos == prod.getRHS().size());
	}
Check if this item is completed

<p>
The item is completed if all symbols have been matched, i.e., the dot is at the far right of
the production.

@return true iff the item is completed
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/assembler/sleigh/parse/AssemblyParseStateItem.java