《C#本质论》章节试读

《C#本质论》的笔记-第229页

public readonly Longitude Longitude;
public readonly Latitude Latitude;
public override int GetHashCode()
{
int hashCode = Longitude.GetHashCode();
// As long as the hash codes are not equal
if(Longifude != Latitude)
{
hashCode ^= Latitude.GetHashCode(); // eXculsive OR
}
return hashCode;
}
一个struct的GetHashCode()方法重写的范例，我没看太懂 = =