Experiences/guidance on teaching Python as a first programming language

Rhodri James rhodri at wildebst.org.uk
Thu Dec 19 01:10:04 CET 2013


On Wed, 18 Dec 2013 14:55:10 -0000, Chris Angelico <rosuav at gmail.com>  
wrote:

> On Wed, Dec 18, 2013 at 11:53 PM, Dave Angel <davea at davea.name> wrote:
>> Funny you should say that in the middle of a discussion about  
>> lifetime.  In
>> C, when you do the -> thing, you're now in a different struct with a
>> potentially different lifetime.  If p is a local,  with auto lifetime,   
>> then
>> so is p.x
>>
>> So, although the two are mutually exclusive,  there's valuable  
>> information
>> hidden in the required choice.
>
> Sure, but you can figure out whether p is a local struct or a local
> pointer to some other struct by looking at its declaration. Do you
> also need to look at every usage of it? We don't adorn every / with a
> marker saying whether we're dividing ints or floats, and that's
> something that could be potentially useful (float division of two ints
> being what Py3 does). Why adorn pointer usage?

Because explicit is better than implicit?

-- 
Rhodri James *-* Wildebeest Herder to the Masses



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