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Sat Mar 19 12:53:35 EDT 2016 · https://mail.python.org/pipermail/python-dev/2016-March/143551.html

I don't care too much either way, but I think passing underscores to the
constructor shouldn't be affected by the context -- the underscores are
just removed before parsing the number. But if it's too complicated to
implement I'm fine with punting.

--Guido (mobile)
On Mar 19, 2016 6:24 AM, "Nick Coghlan" <ncoghlan at gmail.com> wrote:

> On 19 March 2016 at 16:44, Georg Brandl <g.brandl at gmx.net> wrote:
> > On the other hand, assuming decimal literals are introduced at some
> > point, they would almost definitely need to support underscores.
> > Of course, the decision whether to modify the Decimal constructor
> > can be postponed until that time.
>
> The idea of Decimal literals is complicated significantly by their
> current context dependent behaviour (especially when it comes to
> rounding), so I'd suggest leaving them alone in the context of this
> PEP.
>
> Cheers,
> Nick.
>
> --
> Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia
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Showing content from https://mail.python.org/pipermail/python-dev/2016-March/143551.html below:

[Python-Dev] PEP 515: Underscores in Numeric Literals (revision 3)