Nathaniel Smith wrote:
A magic (implemented in C) decorator like @async_signals_masked I
think would be the simplest way to do this extension.
I don't have a good feeling about that approach. While implementing
the decorator in C might be good enough in CPython to ensure no
window of opportunit
Sorry, I was not able to completely digest the OP, but I think there are
some points I need to clarify.
1. Distinction between runtime classes and static types is quite sane and a
simple idea.
A runtime class is something associated with an actual object,
while static type is something associated
On Thu, Jun 29, 2017 at 12:40 PM, Ivan Levkivskyi
wrote:
> Sorry, I was not able to completely digest the OP, but I think there are
> some points I need to clarify.
>
> 1. Distinction between runtime classes and static types is quite sane and
> a simple idea.
> A runtime class is something associ
2017-06-27 Stephan Houben dixit:
> Is "itertools.chain" actually that common?
> Sufficiently common to warrant its own syntax?
Please, note that it can be upturned: maybe they are not so common as
they could be because of all that burden with importing from separate
module -- after all we are sa
2017-06-25 Serhiy Storchaka dixit:
> 25.06.17 15:06, lucas via Python-ideas пише:
> > I often use generators, and itertools.chain on them.
> > What about providing something like the following:
> >
> > a = (n for n in range(2))
> > b = (n for n in range(2, 4))
> > tuple(a + b) #
Step 1. get rid of + for strings, lists, etc. (string/list concatenation
is not addition)
Step 2. add concatenation operator for strings, lists, and basically
anything that can be iterated. effectively an overloadable
itertools.chain. (list cat list = new list, not iterator, but
effectively m
On Fri, Jun 30, 2017 at 9:33 AM, Soni L. wrote:
> Step 1. get rid of + for strings, lists, etc. (string/list concatenation is
> not addition)
>
> Step 2. add concatenation operator for strings, lists, and basically
> anything that can be iterated. effectively an overloadable itertools.chain.
> (li
On Thu, Jun 29, 2017 at 08:33:12PM -0300, Soni L. wrote:
> Step 1. get rid of + for strings, lists, etc. (string/list concatenation
> is not addition)
I agree that using + for concatenation is sub-optimal, & is a better
choice, but we're stuck with it. And honestly it's not *that* big a deal
t
I feel like this would literally break the world for almost no real
benefit...
--
Ryan (ライアン)
Yoko Shimomura, ryo (supercell/EGOIST), Hiroyuki Sawano >> everyone
elsehttp://refi64.com
On Jun 29, 2017 at 6:33 PM, > wrote:
Step 1. get rid of + for strings, lists, etc. (string/list concatenation
i
On 2017-06-29 09:48 PM, Steven D'Aprano wrote:
On Thu, Jun 29, 2017 at 08:33:12PM -0300, Soni L. wrote:
Step 1. get rid of + for strings, lists, etc. (string/list concatenation
is not addition)
I agree that using + for concatenation is sub-optimal, & is a better
choice, but we're stuck with
On Fri, Jun 30, 2017 at 12:14 PM, Soni L. wrote:
> This isn't a *major* backwards incompatibility. Unlike with unicode/strings,
> a dumb static analysis program can trivially replace + with the
> concatenation operator, whatever that may be. Technically, nothing forces us
> to remove + from string
-- Forwarded message --
From: Chris Angelico
Date: Fri, Jun 30, 2017 at 9:12 AM
Subject: Re: [Python-ideas] Python 4: Concatenation
To: electron
On Fri, Jun 30, 2017 at 2:38 PM, electron wrote:
> On Fri, Jun 30, 2017 at 8:30 AM, Chris Angelico wrote:
>>
>> Your challenge: Find
On 30 June 2017 at 09:33, Soni L. wrote:
> Step 4. make it into python 4, since it breaks backwards compatibility.
If a Python 4.0 ever happens, it will abide by the usual feature
release compatibility restrictions (i.e. anything that it drops will
have gone through programmatic deprecation in pr
On Thu, Jun 29, 2017 at 11:14:46PM -0300, Soni L. wrote:
> astring cat alist is undefined for string (since strings are very
> specific about types), so it would return a list.
>
> alist cat atuple would return a list, because the list comes first.
This would be strongly unacceptable to me.
If
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