Clears map a.
The result of the function is the number of elements that have been deleted.
Parameters
Parameter | Description |
|---|---|
a | (optional) Name of map. Default: "default". |
Examples
Assume the are two maps "default" with 10 elements and "my_map" with 15 elements.
Parameter a | Result |
|---|---|
my_other_map | 0 |
10 | |
0 | |
my_map | 15 |
my_map | 0 |