package org.simantics.scl.runtime.tuple;

public enum Tuple0 implements Tuple {
    INSTANCE;
    
    private static final Object[] EMPTY_ARRAY = new Object[0];

    @Override
    public int length() {       
        return 0;
    }

    @Override
    public Object get(int id) {
        throw new IndexOutOfBoundsException();
    }

    @Override
    public Object[] toArray() {
        return EMPTY_ARRAY;
    }
    
    @Override
    public String toString() {
        return "()";
    }
}