Mega Code Archive

 

Categories / C# / LINQ

 

ToLookup with int and string

using System; using System.Linq; using System.Collections; using System.Collections.Generic; public class Employee {     public int birthYear;     public string firstName;     public string lastName;     public static Employee[] GetEmployees() {         Employee[] actors = new Employee[] {        new Employee { birthYear = 1964, firstName = "K", lastName = "R" },        new Employee { birthYear = 1968, firstName = "O", lastName = "W" },        new Employee { birthYear = 1960, firstName = "J", lastName = "S" },        new Employee { birthYear = 1964, firstName = "S", lastName = "B" },     };         return (actors);     } } public class MainClass {     public static void Main() {         ILookup<int, string> lookup = Employee.GetEmployees()           .ToLookup(k => k.birthYear,                     a => string.Format("{0} {1}", a.firstName, a.lastName));         IEnumerable<string> actors = lookup[1964];         foreach (var actor in actors)             Console.WriteLine("{0}", actor);     } }