static void Main(string[] args)
{
IDictionary <CoordinatesStruct, string> d = IntPairToString.Factory.ConstructIntPairToStringDictionary();
{
// with structs, 'new' doesn't allocate, it just initializes
CoordinatesStruct c = new CoordinatesStruct(3, 4);
d.Add(c, "Three by four");
}
{
CoordinatesStruct c = new CoordinatesStruct(6, 2);
d.Add(c, "Six by two");
}
//////////// Now let's read the data back ////////////
{
// This one should give null
System.Console.Write("(2,2) gives ");
CoordinatesStruct c = new CoordinatesStruct(2, 2);
string s = null;
d.TryGetValue(c, out s);
System.Console.WriteLine((null == s) ? "null" : s);
}
{
System.Console.Write("(3,4) gives ");
CoordinatesStruct c = new CoordinatesStruct(3, 4);
string s = null;
d.TryGetValue(c, out s);
System.Console.WriteLine((null == s) ? "null" : s);
}
{
System.Console.Write("(6,2) gives ");
CoordinatesStruct c = new CoordinatesStruct(6, 2);
string s = null;
d.TryGetValue(c, out s);
System.Console.WriteLine((null == s) ? "null" : s);
}
}
public static CoordinatesStruct GetCoordinates(int p1, int p2)
{
CoordinatesStruct _co = new CoordinatesStruct(p1, p2);
return(_co);
}
