I'm looking for some type of iterator/enumerator that can write to the backing collection. As I understand it c# enumerators are read-only.
There's nothing already existing in C# to do such a thing.
You're right IEnumerator's Current property is defined as a getter only.
You'd need to write a new class and/or interface to support such a thing.
interface IOutputable<T> {
IOutputer<T> GetOutputer();
}
interface IOutputer<T> {
T Current { set; }
bool MoveNext();
void Reset();
}
AFAIK an output iterator is a way to create a sequence of objects. There's a myriad of ways to do that in C#. For example, using a Stack
. Instead of doing a C++ style increment/assign operation you'd do a push:
var sequence = new Stack<int>();
sequence.Push( 1 );
sequence.Push( 2 );
Unless you have a very specific application for it, there's probably no benefit in trying to emulate output iterators in C#.
根据您要做的事情, yield return
可能会做您正在寻找的。
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