/// <summary>
/// removes the minimal key-value pair from this map.
/// </summary>
/// <returns></returns>
public ImmSortedMap <TKey, TValue> RemoveMin()
{
if (Root.IsEmpty)
{
throw Errors.Is_empty;
}
return(Root.RemoveMin(Lineage.Mutable()).WrapMap(Comparer));
}
/// <summary>
/// Removes the minimal element from this set.
/// </summary>
/// <returns></returns>
public ImmSortedSet <T> RemoveMin()
{
return(Root.RemoveMin(Lineage.Mutable()).Wrap(Comparer));
}
