Note that Python already allows Unicode characters from class "connector punctuations (Pc)" in identifiers.
No dashes in that, but if you are into that kind of thing, then this⁀is⁀a⁀valid⁀identifier . Stephan Op 19 nov. 2017 08:13 schreef "Bruce Leban" <br...@leban.us>: > > On Sat, Nov 18, 2017 at 8:44 PM, Mikhail V <mikhail...@gmail.com> wrote: >> >> >> That seems to be another showcase of misfotune that Python >> uses hyphen for minus operator. I know it is not language designer's >> fault, because basic ASCII simply did not not include minus character. >> But do you realise that the **current** problem you are adressing is that >> font designers forgot to make the minus character (in monospaced font) >> distinctive from the hyphen character? > > > It is not a misfortune or even true that Python uses hyphen for minus. > The name of the character used in Python is HYPHEN-MINUS. > http://unicode.org/cldr/utility/character.jsp?a=002D > It is both a hyphen and a minus. And it served double-duty even in ASCII. > > A language that requires using characters not present on standard > keyboards is unlikely to be successful. > Or we would all be programming in APL. > > And it's not as if no one every thought of this before. Maybe you've heard > of COBOL? > > >> >> > > Would hyphens in variable names improve readability sometimes? >> >> For reading code, indeed, always and very much. > > > No it wouldn't. You're personal preference is hardly authoritative. I am > extremely skeptical that a legitimate usability study would find that > record-count is better than record_count. > > There are studies that monospace fonts are harder to read than > proportionally spaced, e.g., http://journals.sagepub.com/doi/pdf/10.1177/ > 001872088302500303. Yet many programmers use monospace fonts because the > advantages -- in our opinions -- outweigh the disadvantages. And the > reality is that only my opinion matters when I'm choosing the fonts to > display my code in, not yours. > > You-know-what-really-would-increase-readability? > Allowing-the-use-of-spaces-in-variable-names. As-you-can-see-from-this- > example-hyphens-between-words-decreases-readability. > > And because spaces between words is mostly not valid syntax currently, > this change would be easier to introduce than breaking every single program > out there by re-purposing hyphen-minus. But I'm not seriously proposing > this because I think the modest benefits are outweighed by the many > problems it would introduce. > > --- Bruce > > _______________________________________________ > Python-ideas mailing list > Python-ideas@python.org > https://mail.python.org/mailman/listinfo/python-ideas > Code of Conduct: http://python.org/psf/codeofconduct/ > >
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