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Roberto Ierusalimschy wrote:
> Lua 5.2 will have "lexical environments", a kind of lexical setfenv.
> The construction "in t do command end"  will execute <command> with
> all global variables being resolved in <t>.
> Modules can be written as "in module(...) do <body> end", with the
> module function returning the module table.

Cool! Did I miss a discussion of this earlier (other than various
proposals for 'with')? It's not mentioned on [1], so I added it,
guessing that your message will be msg00169.

Has anyone written a patch for 5.1.4 that will provide this feature? Or
a Metalua or token filter front-end?

[1] http://lua-users.org/wiki/LuaFiveTwo

Doug

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