On 11.02.16 14:14, Georg Brandl wrote:
On 02/11/2016 11:17 AM, Serhiy Storchaka wrote:
**Group 3: only between digits, only one underscore**
* Ada [8]_
* Julia (but not in the exponent part of floats) [9]_
* Ruby (docs say "anywhere", in reality only between digits) [10]_
C++ is in this group too.
The documentation of Perl explicitly says that Perl is in this group too
(23__500 is not legal). Perhaps there is a bug in Perl implementation.
And may be Swift is intended to be in this group.
I think we should follow the majority of languages and use simple rule:
"only between digits".
I have provided an implementation.
Thanks for the alternate patch. I used the two-function approach you took
in ast.c for my latest revision.
I still think that some cases (like two of the examples in the PEP,
0b_1111_0000 and 1.5_j) are worth having, and therefore a more relaxed
rule is preferable.
Should I write an alternative PEP for strong rule?
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