On Tue, Sep 5, 2017 at 6:53 PM, Yury Selivanov <yselivanov...@gmail.com> wrote:
> On Tue, Sep 5, 2017 at 8:35 AM, Koos Zevenhoven <k7ho...@gmail.com> wrote: > > On Tue, Sep 5, 2017 at 3:49 AM, Nathaniel Smith <n...@pobox.com> wrote: > [..] > >> > >> I think PEP 550 is sufficient to allow implementing all > >> your proposed APIs (and that if it isn't, that's a bug in PEP 550). > > > > > > That's not true either. The LocalContext-based semantics introduces scope > > barriers that affect *all* variables. You might get close by putting just > > one variable in a LogicalContext and then nest them, but PEP 550 does not > > allow this in all cases. With the addition of PEP 521 and some trickery, > it > > might. > > I think you have a wrong idea about PEP 550 specification. I > recommend you to reread it carefully, otherwise we can't have a > productive discussion here. > > I'm sorry, by LocalContext I meant LogicalContext, and by "nesting" them, I meant stacking them. It is in fact nesting in terms of value scopes. ––Koos -- + Koos Zevenhoven + http://twitter.com/k7hoven +
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