Calling a static method ?

[Brad Anderson]

andy.dwelly at safedataco.com wrote:
> I'm taking a first look at D. I have a singleton class:
> 
> class EventQueue {
> private static EventQueue _instance;
> 
> private this() {
> }
> 
> public static EventQueue instance() {
> if (_instance is null) {
> _instance = new EventQueue;
> }
> 
> return _instance;        
> }
> }
> 
> int main(char[][] args) {
> auto var = EventQueue.instance();
> return 0;
> }
> 
> which compiles quite happiliy (WinXP, dmd 0.162) with dmd -c EventQueue.d , I
> have another file Frame.d:
> 
> import Component;
> import EventQueue;
> 
> class Frame: Component {
> private EventQueue _queue;
> 
> private this(char[] title) {
> EventQueue q = EventQueue.instance;
> }
> 
> 
> public void add(Component c) {
> }
> }
> 
> ..which is trying to create an event queue. When I compile this with dmd -c
> Frame.d I get an:
> 
> Frame.d(19): undefined identifier module EventQueue.instance
> 
> What am I doing wrong here ? The fact that the main function in the EventQueue.d
> file suggests that its some kind of linker or import error, the instance()
> method in EventQueue seems to be OK.
> 
> Can somebody give me some guidance please.
> 
> 
> Andy Dwelly

have you tried to add:

module EventQueue;

to the first file?

BA