#17 Yield KeyWord

The Yield Keyword Indicates that it is an Iterator. They are used with classes which implements  IEnumerable.

Yield Keyword indicates that you need not write an Explicit Class defining the GetEnumerator Method .In turn the compiler writes it for you.

public IEnumerator GetEnumerator()
 for (int i = 0; i <objarray.Length; i++)
 yield return objarray[(index+i) % objarray.Length];

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