Implementing IEnumerable

The C# foreach loop works on any standard collection, but what do we need to do to make it work on collections we've written for ourselves?

Topics include:

• C#
• foreach
• IEnumerable<T>
• IEnumerator<T>
• LINQ
• Extension methods

Related videos:

• IEnumerable vs IQueryable
  
• Synchronous Yield Return
  

Source code available at: https://github.com/JasperKent/Implementing-IEnumerable