D | |
| delta [Ent] | |
E | |
| entity [Ent] |
('component_type, 'component) entity
|
S | |
| system [Ent] |
the first returned value should be the input entity with eventual changes
and the second returned value is eventual new entities that should be added
to the world
|
U | |
| update [Ent] | |
W | |
| world [Ent] |