public static bool Equiv <T>(this IEquivatable <T> obj1, IEquivatable <T> obj2)
where T : IEquivatable <T>
{
if (ReferenceEquals(null, obj1))
{
return(ReferenceEquals(null, obj2));
}
if (ReferenceEquals(null, obj2))
{
return(ReferenceEquals(null, obj1));
}
if (ReferenceEquals(obj1, obj2))
{
return(true);
}
return(((IEquivatable <T>)obj1).Equiv(obj2.AssertCast <T>()));
}
public static int EquivHashCode <T>(this IEquivatable <T> obj)
where T : IEquivatable <T>
{
return(obj == null ? 0 : obj.EquivHashCode());
}
public static bool NotEquiv <T>(this IEquivatable <T> obj1, IEquivatable <T> obj2)
where T : IEquivatable <T>
{
return(!Equiv(obj1, obj2));
}
