Read-modify-write cursor configuration helper class.
Used by each begin() function of all containers.
| Member | Description | 
|---|---|
| operator= | Assignment operator. | 
| operator== | Equality comparison. | 
| read_modify_write | Call this function to tell the container's begin() function that you need a read-modify-write iterator. | 
| no_read_modify_write | Call this function to tell the container's begin() function that you do not need a read-modify-write iterator. |