obtain generic enumerator from an array

c# arrays generics ienumerator
JaysonFix picture JaysonFix · Aug 13, 2009 · Viewed 21.7k times · Source

In C#, how does one obtain a generic enumerator from a given array?

In the code below, MyArray is an array of MyType objects. I'd like to obtain MyIEnumerator in the fashion shown, but it seems that I obtain an empty enumerator (although I've confirmed that MyArray.Length > 0).

MyType[] MyArray = ... ;
IEnumerator<MyType> MyIEnumerator = MyArray.GetEnumerator() as IEnumerator<MyType>;

Answer

Mehrdad Afshari picture Mehrdad Afshari · Aug 13, 2009

Works on 2.0+:

((IEnumerable<MyType>)myArray).GetEnumerator()

Works on 3.5+ (fancy LINQy, a bit less efficient):

myArray.Cast<MyType>().GetEnumerator()   // returns IEnumerator<MyType>

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