/// <summary>
/// Initializes a new instance of the <see cref="DenseSet{T}"/> class.
/// </summary>
/// <param name="comparer">The comparer to use.</param>
public DenseSet(IntervalComparer <T> comparer)
{
this.intervals = new(comparer, iv => iv, (o, n) => n);
}
/// <summary>
/// Initializes a new instance of the <see cref="DenseMap{TKey, TValue}"/> class.
/// </summary>
/// <param name="comparer">The comparer to use.</param>
/// <param name="combiner">The combiner to use.</param>
public DenseMap(IntervalComparer <TKey> comparer, ICombiner <TValue> combiner)
{
this.Combiner = combiner;
this.intervals = new(comparer, kv => kv.Key, (kv, newIv) => new(newIv, kv.Value));
}
