protected Set<FunctionTag> getAssignedTags(Function func) {
		Set<FunctionTag> assignedTags = new HashSet<>();
		if (func != null) {
			assignedTags.addAll(func.getTags());
		}
		return assignedTags;
	}
Retrieves all tags that have been assigned to the given function

@param func the function to get tags for
@return list of all tags assigned to this function
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/function/tags/TagListPanel.java