Re: Bloat or no bloat? (Was: [Feature request])

[Andrew Starks <andrew.starks@...>]

On Sunday, September 21, 2014, Dirk Laurie <dirk.laurie@gmail.com> wrote:
> 2014-09-21 16:49 GMT+02:00 Roberto Ierusalimschy <roberto@inf.puc-rio.br>:
> >> For example, it's quite easy for a table to know exactly how many keys
> >> it contains. One extra integer in the struct plus a test whether 'nil' is being
> >> assigned when it's not a new index or non-nil when it is. That feature has
> >> been requested on this list. It has not been implemented in core Lua.
> >> There's a tradeoff on how useful it is versus what it costs, and the
> >> decision went against it. Fair enough.
> >
> > I hope you are not spreading the myth that this feature would solve the
> > conundrum of table length.
>
> Certainly not. It solves only the set cardinality issue. How many people
> have registered for the workshop when keyed by e-mail address?

[Dirk: this shows a mastery of the Art of Asking for Something. You not only give a decent use case, but tying it into the Lua Workshop? That's artful. You should take those meds all of the time. :)]

Andrew