Re: Question on get/setmetatable()

[pocomane <pocomane_7a@...>]

On Tue, May 19, 2020 at 11:04 PM Andrea <andrea.l.vitali@gmail.com> wrote:
> So let's say we have decided to add the new keyword "const" (or something similar, it can be "local_const")
> In the old program this new keyword is not used, therefore the old program will be able to run on the new Lua 5.4 interpreter.
> And the new program will benefit from a cleaner syntax.
> Let me know if my understanding is correct.

Nope. The point is: an old script must run on the new lua without modification.

If you introduce a new keyword "const", the following script will not
work anymore in the new lua:

local const = 2
print(const)