static public bool IsDistinct_eqDefault <T, TEq>
(this List <T> vars)
where TEq : IEqualityComparer <T>, new()
{
return(DistinctX.IsDistinct <T, TEq>(vars, SingletonByDefault <TEq> .Instance));
}
static public bool IsDistinct <T, TEq>(params T[] str)
where TEq : IEqualityComparer <T>, new()
{
return(DistinctX.IsDistinct_eqDefault <T, TEq>(str as IEnumerable <T>));
}
