A question on modification of a list via a function invocation

[Ned Batchelder]

On 9/5/17 1:28 PM, Chris Angelico wrote:
> On Wed, Sep 6, 2017 at 3:15 AM, Ned Batchelder <ned at nedbatchelder.com> wrote:
>> On 9/5/17 1:02 PM, Steve D'Aprano wrote:
>>> On Tue, 5 Sep 2017 11:37 pm, Gregory Ewing wrote:
>>>
>>>> Dennis Lee Bieber wrote:
>>>>> Pascal, probably Modula-2, Visual BASIC are closer to the C++ reference
>>>>> semantics, in that the definition of a function declares how the
>>>>> argument(s) are passed.
>>>> Well, sort of. In Pascal and Modula, and also VB I think,
>>>> parameters are the only things that can be declared as having
>>>> reference semantics, whereas references in C++ are first-class
>>>> things that can be stored in any variable.
>>> No, they aren't first-class.
>> Did you mis-read Gregory's claim? He said, "references *in C++* are
>> first-class things".  You seem to be talking below about Python things.
>>
> And everything Steve said was about C++ references, which are a form
> of alias. Not a 'thing'.

I see, I misunderstood. Sorry for the distraction.

>
> ChrisA