Method containsKey

src/main/java/pascal/taie/util/collection/IndexMap.java:91–95

(Object key)

    }

    @Override
    public boolean containsKey(Object key) {
        int index = indexer.getIndex((K) key);
        return isValidIndex(index) && values[index] != null;
    }

    private boolean isValidIndex(int index) {
        return 0 <= index && index < values.length;