[Python-ideas] "While" suggestion

[Thomas Lee]

Facundo Batista wrote:
> 2008/7/3 George Sakkis <george.sakkis at gmail.com>:
>
>   
>> There is already an idiom for this, although admittedly not obvious or
>> well-known:
>>
>> for data in iter(lambda: my_file.read(1024), ''):
>>     do_something(data)
>>
>> or in 2.5+:
>>
>> from functools import partial
>> for data in iter(partial(my_file.read,1024), ''):
>>     do_something(data)
>>     
>
> Yes, but note that these feels like workarounds.
>
> One thing that I love in Python is that you can learn a concept, and
> apply it a lot of times.
>
> So, suppose I'm learning Python and find that I can do this...
>
>   with_stmt ::=  "with" expression ["as" target] ":" suite
>
> ...why can't I do this?:
>
>   while_stmt ::=  "while" expression ["as" target]  ":" suite
>
>   
I'm -1on the while .. as syntax myself.

Something about this syntax feels wrong ... it's effectively a for loop 
looking for a reason not to use an iterator.

You might be right about it being more consistent though.

Cheers,
T