@Override
    public boolean equals(Object obj) {
	if (this == obj)
	    return true;
	if (obj == null)
	    return false;
	if (getClass() != obj.getClass())
	    return false;
	ConstDeclarationNode other = (ConstDeclarationNode) obj;
	if (expression == null) {
	    if (other.expression != null)
		return false;
	} else if (!expression.equals(other.expression))
	    return false;
	if (ident == null) {
	    if (other.ident != null)
		return false;
	} else if (!ident.equals(other.ident))
	    return false;
	return true;
    }