Re: Documenting Lua gotchas for newbies.

[Lorenzo Donati <lorenzodonatibz@...>]

Jim Whitehead II wrote:
> On Wed, Dec 1, 2010 at 8:53 PM, Lorenzo Donati
> <lorenzodonatibz@interfree.it> wrote:
[snip]
> > 1. I discovered "late in the game" that the most efficient way to append an
> > item to an array was
> > a[#a+1]=item
> > and not
> > table.insert(a,item)
>
> Strictly speaking, isn't the fastest method:
>
> local tbl = {}
> local c = 0
> c = c + 1
> tbl[c] = item
>
> It's a micro benchmark, but I believe this was the winner.
>
> - Jim

Ouch! Yes. I implicitly assumed in my example that "a" was local.
But that
local c = 0
is a typo? Shouldn't it be
local c = #tbl
?