Re: upvals in Lua bytecode

[Tony Finch <dot@...>]

Reuben Thomas <rrt@sc3d.org> wrote:
>
> The very fact that no other common scripting language does this is a
> bad sign,

Yeah, no-one uses Perl.

> but in the case of Lua there's the explicit reason that it's
> meant to work for data description (Lua equivalent of JON), things
> like:
>
> server = "foo.bar.com"
> port = 25
>
> which break if every variable has to be declared.

Lua could perhaps switch on error-by-default mode the first time it sees a
"global" declaration.

Tony.
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