```sh
result = array_clear handle
```
Clears the provided array.
The array handle.
True if successful.
```sh
handle = array
result = array_push ${handle} 1
result = array_is_empty ${handle}
assert_false ${result}
result array_clear ${handle}
assert ${result}
result = array_is_empty ${handle}
assert ${result}
release ${handle}
```