src/main/java/com/googlecode/javaewah/symmetric/UpdateableBitmapFunction.java
public final Iterable<EWAHPointer> getLiterals() {
        return new Iterable<EWAHPointer>() {

            @Override
            public Iterator<EWAHPointer> iterator() {
                return new Iterator<EWAHPointer>() {
                    int k = UpdateableBitmapFunction.this.litwlist.nextSetBit(0);

                    @Override
                    public boolean hasNext() {
                        return this.k >= 0;
                    }

                    @Override
                    public EWAHPointer next() {
                        EWAHPointer answer = UpdateableBitmapFunction.this.rw[this.k];
                        this.k = UpdateableBitmapFunction.this.litwlist.nextSetBit(this.k + 1);
                        return answer;
                    }

                    @Override
                    public void remove() {
                        throw new RuntimeException("N/A");
                    }
                };
            }
        };
    }
public final Iterable<EWAHPointer> getLiterals() {
        return new Iterable<EWAHPointer>() {

            @Override
            public Iterator<EWAHPointer> iterator() {
                return new Iterator<EWAHPointer>() {
                    int k = UpdateableBitmapFunction.this.litwlist.nextSetBit(0);

                    @Override
                    public boolean hasNext() {
                        return this.k >= 0;
                    }

                    @Override
                    public EWAHPointer next() {
                        EWAHPointer answer = UpdateableBitmapFunction.this.rw[this.k];
                        this.k = UpdateableBitmapFunction.this.litwlist.nextSetBit(this.k + 1);
                        return answer;
                    }

                    @Override
                    public void remove() {
                        throw new RuntimeException("N/A");
                    }
                };
            }
        };
    }
Goes through the literals.

@return an iterator