public Function getFunction(Program program) {
		Namespace ns = getSymbolNamespace(program);
		Symbol sym = SymbolUtilities.getUniqueSymbol(program, asString(), ns);
		Function func = sym instanceof FunctionSymbol ? (Function) sym.getObject() : null;
		return func;
	}
Returns the matching Ghidra function (based on namespace and symbol name).

@param program {@link Program} containing the function
@return Ghidra {@link Function}
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/golang/rtti/GoSymbolName.java