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- Subject: Re: [ANN] Luacheck 0.19.0
- From: Peter Melnichenko <mpeterval@...>
- Date: Fri, 3 Mar 2017 21:46:21 +0300
On Fri, Mar 3, 2017 at 9:01 PM, Peter Aronoff <firstname.lastname@example.org> wrote:
> Peter Melnichenko <email@example.com> wrote:
>> I've released Luacheck 0.19.0.
> A quick question, and I apologize because I don’t recall if this was an
> issue before or it’s new. Like a lot of people, I now use this in modules
> that require unpack:
> local unpack = unpack or table.unpack
> That, however, yields this warning from luacheck:
> src/tapered.lua:9:16: accessing undefined variable unpack
> I get what’s happening here, and I can simply choose to ignore this
> warning, but I wonder if people have any thoughts about how else to handle
> a cross-lua module that uses unpack.
> Thanks, Peter
> We have not been faced with the need to satisfy someone else's
> requirements, and for this freedom we are grateful.
> Dennis Ritchie and Ken Thompson, The UNIX Time-Sharing System
The best solution is to allow non-portable globals for that line only:
local unpack = unpack or table.unpack -- luacheck: compat