public void TransformVertices(Func <T, T> transformFunc)
{
_VertexCache.Clear();
for (int i = 0; i < _Vertices.Count; ++i)
{
_Vertices[i] = transformFunc(_Vertices[i]);
var key = new StoredKey(_Vertices, i);
_VertexCache[key] = i;
}
}
public int Use(T v)
{
if (_VertexCache.TryGetValue(new QueryKey(v), out int index))
{
System.Diagnostics.Debug.Assert(Object.Equals(v, _Vertices[index]), "Vertex equality failed");
return(index);
}
index = _Vertices.Count;
_Vertices.Add(v);
var key = new StoredKey(_Vertices, index);
_VertexCache[key] = index;
return(index);
}
