pluralsight-linq-fundamentals/Features/Program.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

namespace Features
{
    class Program
    {
        // Modelling a company in this project
        static void Main(string[] args)
        {
            IEnumerable<Employee> developers = new Employee[]
            {
                new Employee {Id = 1, Name = "Scott"},
                new Employee {Id = 2, Name = "Chris"}
            };

            List<Employee> sales = new List<Employee>()
            {
                new Employee {Id = 3, Name = "Alex"}
            };
            
            Console.WriteLine(sales.MyLinqCount());

            var enumerator = developers.GetEnumerator();

            while (enumerator.MoveNext())
            {
                Console.WriteLine(enumerator.Current.Name); // .Current return value of current enumerator
            }
                
            foreach (var person in developers) 
            {
                Console.WriteLine();
            }

            foreach (var employee in developers.Where(x => x.Name.StartsWith("S")))
            {
                Console.WriteLine(employee.Name);
            }
        }
    }
}