public bool RemoveEdges(IEnumerable <DirectedEdge <V, E> > edgesToRemove)
{
HashSet <DirectedEdge <V, E> > edgesToRemoveSet = edgesToRemove.ToHashSet(myEdgeComparer);
IEnumerable <Tuple <V, V> > fromTos = edgesToRemove.Select(x => Tuple.Create(x.From, x.To));
bool result = myEdges.Remove(fromTos, (fromId, toId, edge) => edgesToRemoveSet.Contains(edge));
return(result);
}
public void Remove()
{
DoubleKeyMultiDictionary <string, string, int> dictionary = new DoubleKeyMultiDictionary <string, string, int>();
dictionary.Add("k1", "k2", 10);
dictionary.Add("k1", "k2", 10); // the same keys and the value
dictionary.Add("k3", "k4", 20);
Assert.IsTrue(dictionary.Remove("k1", "k2"));
Assert.AreEqual(1, dictionary.Count);
Assert.AreEqual(20, dictionary.GetValues("k3", "k4").First());
dictionary = new DoubleKeyMultiDictionary <string, string, int>();
dictionary.Add("k1", "k2", 10);
dictionary.Add("k1", "k2", 10); // the same keys and the value
dictionary.Add("k3", "k4", 20);
int counter = 0;
bool result = dictionary.Remove("k1", "k2", (k1, k2, v) =>
{
++counter;
return(counter < 2);
}
);
Assert.IsTrue(result);
Assert.AreEqual(2, dictionary.Count);
Assert.AreEqual(10, dictionary.GetValues("k1", "k2").First());
Assert.AreEqual(20, dictionary.GetValues("k3", "k4").First());
Assert.IsFalse(dictionary.Remove("bla1", "bla2"));
}
public void Remove_Sequence()
{
DoubleKeyMultiDictionary <string, string, int> dictionary = new DoubleKeyMultiDictionary <string, string, int>();
dictionary.Add("k1", "k2", 10);
dictionary.Add("k1", "k2", 10); // the same keys and the value
dictionary.Add("k3", "k4", 20);
dictionary.Add("k3", "k5", 30);
Tuple <string, string>[] toRemove = new Tuple <string, string>[] { Tuple.Create("k1", "k2"), Tuple.Create("k3", "k4"), };
Assert.IsTrue(dictionary.Remove(toRemove));
Assert.AreEqual(1, dictionary.Count);
Assert.AreEqual(30, dictionary.GetValues("k3", "k5").First());
}