/// <summary>
/// Removes a key from the map, or does nothing if the key does not exist.
/// </summary>
/// <param name="key">The key to remove.</param>
/// <returns></returns>
public override ImmSortedMap <TKey, TValue> Remove(TKey key)
{
var removed = Root.AvlRemove(key, Lineage.Mutable());
if (removed == null)
{
return(this);
}
return(removed.WrapMap(Comparer));
}
/// <summary>
/// Removes an item from the set, or does nothing if the item does not exist.
/// </summary>
/// <param name="item">The item to remove.</param>
/// <returns></returns>
public override ImmSortedSet <T> Remove(T item)
{
var ret = Root.AvlRemove(item, Lineage.Mutable());
if (ret == null)
{
return(this);
}
return(ret.Wrap(Comparer));
}
public bool Remove(TKey key)
{
var ret = _inner.AvlRemove(key, _lineage);
if (ret == null)
{
return(false);
}
_inner = ret;
return(true);
}
public bool Remove(T item)
{
var ret = _inner.AvlRemove(item, _lineage);
if (ret == null)
{
return(false);
}
_inner = ret;
return(true);
}