@Override
	public FidHashQuad get(Function function) {
		try {
			return hasher.hash(function);
		}
		catch (MemoryAccessException e) {
			return null;
		}
	}
A factory for caching FID function hashes.  Greatly speeds up processing by memoizing hash
values for functions which are used repeatedly in different contexts.
Ghidra/Features/FunctionID/src/main/java/ghidra/feature/fid/service/FidHasherFactory.java