Method contains

JSAT/src/jsat/utils/IntSet.java:206–210

(int o)

    }

    public boolean contains(int o)
    {
        int index = (int) (getIndex(o) & INT_MASK);
        return status[index] == OCCUPIED;//would be FREE if we didn't have the key
    }
    
    @Override
    public boolean remove(Object key)