On 5/05/22 3:53 am, gabor.g...@proinbox.com wrote:
I think it is pretty frequent to check that a variable is not None before
accessing it's attributes or element.
While that's probably true, in my experience I'm usually performing
the test once on a particular object and then accessing a
1) How frequently do people write (some version of) this function?
I think it is pretty frequent to check that a variable is not None before
accessing it's attributes or element.
1a) Can all variants of the function be cleanly provided by a single
stdlib function?
2 functions can reasonably cover
> Well, there are at least two libraries on PyPI, and at least one of
> them (glom) has been around for some time, but neither is particularly
> well known. This suggests to me that this isn't an issue that people
> are routinely asking "how do I solve this problem?" (or if they are,
> their
On Wed, 4 May 2022 at 13:29, Dr. Guta Gábor wrote:
>
> > I'm not sure there's enough need for this that it should be in the
> > stdlib. And I'm certain it isn't sufficiently common to justify being
> > a builtin.
> How 'enough need' can be measured?
Well, there are at least two libraries on
On Wed, 4 May 2022 at 22:32, Dr. Guta Gábor wrote:
>
> > I'm not sure there's enough need for this that it should be in the
> > stdlib. And I'm certain it isn't sufficiently common to justify being
> > a builtin.
> How 'enough need' can be measured? The other way to solve this problem is to
>
> I'm not sure there's enough need for this that it should be in the
> stdlib. And I'm certain it isn't sufficiently common to justify being
> a builtin.
How 'enough need' can be measured? The other way to solve this problem is to
have null-conditional access operators ?. and ?[] like in C# (i.e.
On Wed, 4 May 2022 at 12:27, Dr. Guta Gábor wrote:
>
> This proposal is about adding a builtin function or a package to the standard
> library to access an element in an object hierarchy with default behavior
> i.e. if at any level the attribute/key/index does not exist in the path the
>
