Add example

examples/providers/factory_aggregate_non_string_keys.py

@@ -0,0 +1,45 @@
+"""`FactoryAggregate` provider with non-string keys example."""
+
+from dependency_injector import containers, providers
+
+
+class Command:
+    ...
+
+
+class CommandA(Command):
+    ...
+
+
+class CommandB(Command):
+    ...
+
+
+class Handler:
+    ...
+
+
+class HandlerA(Handler):
+    ...
+
+
+class HandlerB(Handler):
+    ...
+
+
+class Container(containers.DeclarativeContainer):
+
+    handler_factory = providers.FactoryAggregate({
+        CommandA: providers.Factory(HandlerA),
+        CommandB: providers.Factory(HandlerB),
+    })
+
+
+if __name__ == "__main__":
+    container = Container()
+
+    handler_a = container.handler_factory(CommandA)
+    handler_b = container.handler_factory(CommandB)
+
+    assert isinstance(handler_a, HandlerA)
+    assert isinstance(handler_b, HandlerB)