vi.b.4.2-csharp-version.md

VI.B.4.2 C# version

using System;

class Phone<K,V> {
   private int hi = -1;
   private K[] keys;
   private V[] vals;
   public Phone() { keys = new K[10]; vals = new V[10]; }
   public void Add(K k, V v) { keys[++hi] = k; vals[hi] = v; }
}

class App {
   static void AddOne<KK,VV>(Phone<KK,VV> phone, KK kk, VV vv) {
      phone.Add(kk, vv);
   }
   static void Main() {
      Phone<string, int> d = new Phone<string, int>();
      d.Add("Jim", 7);
      AddOne(d, "Joe", 8);
   }
}