Re: table.unpack and table.concat, and #list

[Thomas Jericke <tjericke@...>]

On 15.09.2016 02:07, Soni L. wrote:
> On 14/09/16 09:02 PM, Miroslav Janíček wrote:
> > > On 15 Sep 2016, at 1:08, Soni L. <fakedme@gmail.com> wrote:
> > >
> > > (…)
> > > I consider this function bad, as it relies on #list. This means it's 
> > > O(log n) + O(n), but it could be changed to O(n) by changing it to:
> > > (…)
> > You can ignore the log n part. O(n + log n) ≃ O(n).
> >
> >    M.
> There's a bit of a difference between O(n + log n) and O(n) + O(log n) 
> tho... And I thought the part about cross-impl consistency was more 
> important?

The way I learned the O notation, and the way it is described in 
Wikipedia O(n + log n) is the same as O(n) + O(log n) and O(n + log n) 
is the same as O(n)

The O notation does NOT define runtime of a function, only its order.

--
Thomas