Fixed the IEnumerable GetEnumerator() method in the Stack<T> class.
Fixed the IEnumerable GetEnumerator() method in the Stack<T> class.

ivayloivanof/C-Sharp-Algorithms,ivandrofly/C-Sharp-Algorithms,cossu/C-Sharp-Algorithms,aalhour/C-Sharp-Algorithms,qdimka/C-Sharp-Algorithms,tatianerd/C-Sharp-Algorithms,jianweishi/C-Sharp-Algorithms,shijiaxing/C-Sharp-Algorithms,VShangxiao/C-Sharp-Algorithms