Method GetExistingSystem
GetExistingSystem<T>(World)
Return an existing handle for an instance of a system of type T in this World.
Declaration
public static SystemHandle GetExistingSystem<T>(this World self) where T : unmanaged, ISystem
Parameters
| Type | Name | Description | 
|---|---|---|
| World | self | The World  | 
    
Returns
| Type | Description | 
|---|---|
| SystemHandle | The existing system instance's handle of system type   | 
    
Type Parameters
| Name | Description | 
|---|---|
| T | The system type  |