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On Thu, Jul 7, 2016 at 8:30 AM, Coda Highland <chighland@gmail.com> wrote:
> The counterproposal being made is to use the existing language
> features to define a type that has a specific set of behaviors for the
> scenarios where those behaviors are explicitly desired without making
> modifications that would affect the language more broadly.

Exactly. Like the pack/unpack case.

Personally I wear Dirk's "Lua works for me" T-shirt (if it weren't so
damn cold in the mornings) and I look after a lot of Lua. The urge to
keep nils in tables other than varargs does not happen to me. It would
be cool if #t was O(1), however.

steve d.