CSHARP

C# How to implement IEnumerable interface

public class LinkedList<T> : IEnumerable<T>
{
    // ... existing code

    public System.Collections.IEnumerator GetEnumerator() { /* ... */ }
}

C# How to implement IEnumerable interface

public class LinkedList<T> : IEnumerable<T>
{
    // ... existing code

    System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() => GetEnumerator();
}