[C#/General] Enumerable.ToLookup 메서드 사용법

public class Example { public static void Main() { Console.Write("> \n"); List productions = new List { new Production { Company = "A.Soft", Weight = 15.2, PhoneNumber = 0415236987 }, new Production { Company = "B.Soft", Weight = 28.7, PhoneNumber = 021534789 }, new Production { Company = "C.Soft", Weight = 8.0, PhoneNumber = 0651234569 }, new Production { Company = "D.Soft", Weight = 12.3, Phon..

원문링크 : [C#/General] Enumerable.ToLookup 메서드 사용법