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Groups > comp.lang.python > #9623
| From | Adam Przybyla <adam@rybnik.pl> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: Python ++ Operator? |
| Date | 2011-07-16 14:25 +0000 |
| Organization | Politechnika Slaska, Gliwice |
| Message-ID | <ivs70v$f80$1@polsl.pl> (permalink) |
| References | <CAH+GN=3PDVnzEp7PJZk7y9BH=vbbsPs7UJoyRcJO3o2wCg-iag@mail.gmail.com> <CALG+76dizm12CbpOAzoC7U8x6N0OH3gfBR1OjgeLtDcgJ9y50w@mail.gmail.com> <CAPTjJmpAZsgqHvFvC5tvmLVw0OrNjrAr8v+hyCKeDVqyA-srpA@mail.gmail.com> <CAGGBd_r6QXjbSprRqTEaYOifZEabJCFoFS7YSUuMTa7uJ2xNrw@mail.gmail.com> <mailman.1085.1310770297.1164.python-list@python.org> |
Chris Angelico <rosuav@gmail.com> wrote: > On Sat, Jul 16, 2011 at 6:26 AM, Dan Stromberg <drsalists@gmail.com> wrote: >> >> I don't regard this as a low level versus VHLL issue - I regard it as a >> matter of operators with side effects being too error prone. Adding such >> operators to Python has been discussed (it'd almost certainly be easy to >> add), and rejected. > > It's not that it has or has not, due to its highness of level, but > more a needs or needs not. In Python, iterating over an array is done > with a for loop and the array's own iterator (or enumerate() if you > need the indices), but C doesn't have iterators, so it needs a > convenient notation for incrementing through the array. > >> BTW, array operations optimize to the same thing as pointer arithmetic in >> most C compilers, but the latter tends to be less clear. > > I'm not fully convinced; there are many times when incrementing > pointers allows for much cleaner code. However, we are talking about > the readability of C among Python programmers. Personally, I find > pointer-dereference-and-post-increment to be perfectly readable, but > it's a construct that I use practically on a daily basis. To someone > who's not familiar with Python, list comps could suffer from the same > issues - what does THIS do? oh. list_ptr=list_a list_ptr=list_ptr[1:] Regards Adam Przybyla
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Re: Python ++ Operator? Chris Angelico <rosuav@gmail.com> - 2011-07-16 08:51 +1000 Re: Python ++ Operator? Adam Przybyla <adam@rybnik.pl> - 2011-07-16 14:25 +0000
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