Allow top-level shadowing for imported names?

[Carter Schonwald]

Yeah... let's not have import order sensitivity.

On Wednesday, October 5, 2016, Yitzchak Gale <gale at sefer.org> wrote:

> Yuras Shumovich wrote:
> >> Can we generalize the proposal such that subsequent imports shadow
> >> preceding ones?
>
> Herbert Valerio Riedel wrote:
> > ...iirc there is a different idea...
> > allowing explicitly enumerated names...
> > to shadow imports from other modules which didn't explicitly name the
> > same import; effectively introducing a higher-priority scope for names
> > imported explicitly.
>
> Conversely - the original proposal should be modified to remain
> an error, not a warning, when the symbol was imported explicitly
> on an import list and then redefined locally at the top level.
> This is equivalent to defining a symbol twice in the same scope.
>
> Thanks,
> Yitz
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