in src/main/java/com/uber/h3core/H3Core.java [382:390]
6 lines of code
2 McCabe index (conditional complexity)
public List<Long> gridRing(long h3, int k) {
int sz = k == 0 ? 1 : 6 * k;
long[] out = new long[sz];
h3Api.gridRing(h3, k, out);
return nonZeroLongArrayToList(out);
}