[Python-Dev] Type hints -- a mediocre programmer's reaction

[Harry Percival]

lol @ the fact that the type hints are breaking github's syntax highlighter
:)

On 23 April 2015 at 14:44, Paul Sokolovsky <pmiscml at gmail.com> wrote:

> Hello,
>
> On Thu, 23 Apr 2015 14:48:58 +0200
> Wolfgang Langner <tds333+pydev at gmail.com> wrote:
>
> > Hello,
> >
> > On Thu, Apr 23, 2015 at 11:59 AM, Paul Sokolovsky <pmiscml at gmail.com>
> > wrote:
> >
> > > Hello,
> > >
> > > On Thu, 23 Apr 2015 10:43:52 +0200
> > > Wolfgang Langner <tds333+pydev at gmail.com> wrote:
> > >
> > > []
> > >
> > > > Also ask why no one used type specifier, they are possible since
> > > > Python 3.0 ?
> > > > Because it is the wrong way for Python.
> > >
> > > That's an example of how perceptions differ. In my list, everyone(*)
> > > uses them - MyPy, MicroPython, etc. Even more should use them (any
> > > JIT module, which are many), but sit in the bushes, waiting for a
> > > kick, like PEP484 provides.
> > >
> > >
> > > (*) Everyone of those who needs them. Otherwise, let's throw out
> > > metaclasses - noone uses them.
> > >
> > >
> > They are there to be used and won't go away.
> > But for most Libraries out there no one used it.
> >
> > JIT (Numba), Cython and other compilers/tools doing optimization have
> > their own syntax and needs.
>
> That's exactly what needs to change, and where this PEP helps, as was
> already pointed out:
> http://code.activestate.com/lists/python-dev/135659/
>
> > They need even more information like i32, i64, different floats and
> > so on.
>
> That's poor excuse for not trying to be a good member of Python
> community (and work on standard type annotation syntax, instead of
> digging own hole).
>
> > MyPy is really new and in development. And the docstring type
> > spec way is still possible.
>
> Anything is possible. The talk is about what makes most of sense.
> Docstrings were always arbitrary string designated at human's
> consumption, how (ab)using them for type annotations is better than
> having clean language-grammar syntax?
>
> > MicroPython uses one annotation for their inline assembler stuff not
> > type hints.
>
> Here's how MicroPython uses type annotations:
>
> https://github.com/micropython/micropython/blob/master/tests/micropython/viper_ptr8_load.py
>
> > For the library there are no type hints for function definitions.
> >
> >
> > Remark: I use Metaclasses, seldom but if needed very useful. :-)
> >
> >
> > --
> > bye by Wolfgang
>
>
>
> --
> Best regards,
>  Paul                          mailto:pmiscml at gmail.com
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-- 
------------------------------
Harry J.W. Percival
------------------------------
Twitter: @hjwp
Mobile:  +44 (0) 78877 02511
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