refactor: use array-key as the benevolent union of int|string in array shapes
#15174
| Job | Run time |
|---|---|
| 1m 9s | |
| 1m 9s |
array-key as the benevolent union of int|string in array shapes
#15174
| Job | Run time |
|---|---|
| 1m 9s | |
| 1m 9s |