/// <summary>
/// Makes an un-typed comparer from the given comparer.
/// </summary>
/// <typeparam name="T">The type that the given comparer compares.</typeparam>
/// <param name="comparer">The comparer to make un-typed.</param>
/// <returns>The untyped comparer.</returns>
public static IComparer Untyped <T>(this IComparer <T> comparer)
{
if (comparer == null)
{
throw new ArgumentNullException("comparer");
}
return(UntypedComparer <T> .GetComparer(comparer));
}
public static IComparer <T> GetComparer(IComparer comparer)
{
UntypedComparer <T> untyped = comparer as UntypedComparer <T>;
if (untyped != null)
{
return(untyped.Comparer);
}
IComparer <T> typed = comparer as IComparer <T>;
if (typed != null)
{
return(typed);
}
return(new TypedComparer <T>(comparer));
}
