Re: Suggestion for 5.3: import() for creating a "slew" of locals

[Andrew Starks <andrew.starks@...>]

On Sunday, November 17, 2013, Paul K  wrote:
> > I'd only say that the crazy amount of "a, b, c = a, b, c" is rather hard to explain as a "sweet feature of Lua"
>
> I don't mind writing local a,b,c = tbl.a, tbl.b, tbl.c, but what I
> sometimes want is to be able to say:
>
> local insert, remove, concat alias table
>
> This would assign insert, remove, and concat from "table" with a small
> twist: when table.insert changes, that change is propagated to the
> local variable "insert". I'm less certain how this should work when
> the entire table "table" changes, but for this to work in "require,
> unrequire, require" scenario (which is what I'd want), this would need
> to work when a new table is assigned as well.
>
> The primary use for me would be to be able to re-load modules with the
> changes "seen" in their dependent modules (even when localized if
> using this "alias" mechanism), but there may be other use cases.
>
> Maybe that's an overkill, and what I really want is something like this:
>
> local mymodule = proxy(require("mymodule"))
>
> with "proxy" doing some magic that changes "mymodule" variable when
> the table returned by "require" changes (similar to what described
> above).
>
> Paul.
>
> On Sun, Nov 17, 2013 at 8:48 AM, Andrew Starks <andrew.starks@trms.com> wrote:

Sorry man. I can't think of anything worse than a world where...

local c = concat

mymod.submoduleaccessthatcausesrequiretobetriggered()

assert(c == concat)

...could ever fail. You've broken consistency without even giving me parallisn. 

-Andrew