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On Sun, 17 Jan 2010 20:16:22 +0100
Florian Weimer <> wrote:

> * Rob Kendrick:
> >> You can't know the type of the receiver in Python either, so if
> >> Python editors can do it, then Lua editors ought to be able to do
> >> so as well.
> >
> > If you can't know before runtime, than this suggests that the
> > editors you refer to run it to find out.  Or guess.
> >
> > Either option terrifies me.
> Yes, but there are some operations for which full IDE support is
> possible, safe, and useful.  Renaming local variables is one of them.
> Or jumping to the definition of a local variable.  I think I would
> find semantically colored global variable references helpful, too.

Yes, but all of these can be done without having to run the code, and
with near perfect confidence.