Re: Empty? No. Array? No. Has? Yes.

["D. Matt Placek" <atomicsuntan@...>]

On Wed, Jul 3, 2013 at 2:18 PM, Philipp Janda <siffiejoe@gmx.net> wrote:

function

exists(...)
   return not select('#', ...) == 0
end
local foo
print(exists(foo))
-->true
print(exists(baz))
--false --currently true

...

print(exists(a()))
--false --currently true

This already prints `false`. The list of return values can hold nothing, or one or more values.

print(exists(b()))
--false --currently true

Same here, already prints `false`.

should be?:

function exists(...)
   return not (select('#', ...) == 0)
end