namespace jive
{
  public class AndSpecification<T> : Specification<T>
  {
    readonly Specification<T> left;
    readonly Specification<T> right;

    public AndSpecification(Specification<T> left, Specification<T> right)
    {
      this.left = left;
      this.right = right;
    }

    public bool is_satisfied_by(T item)
    {
      return left.is_satisfied_by(item) && right.is_satisfied_by(item);
    }
  }
}