Re: Recipe: setfenv with Lua 5.2.0 work3

[Enrico Colombini <erix@...>]

Roberto Ierusalimschy wrote:
> Surely it is.
>
> In these discussions in the list, sometimes it looks like people are
> changing environments all the time, in all sorts of code. I may be
> very wrong, but my impression is that changing the environment is
> seldom done, mainly (only?) in the setup of a module or when running
> untrusted code. I would like it to look "ugly", to be easily seen
> and found (e.g., "/_ENV"), not to look like "code as usual".

For me, it's definitely "code as usual", though I can certainly live with

  do local _ENV = e;  f() end

In my adventure-book "Medusa" compiler, I execute user-written functions 
multiple times in slightly different environments that are passed around.

  Enrico