PyWart: Language missing maximum constant of numeric types!

MRAB python at mrabarnett.plus.com
Sat Feb 25 18:54:56 CET 2012


On 25/02/2012 08:18, Wolfgang Meiners wrote:
> Am 24.02.12 14:37, schrieb Rick Johnson:
>>  I get sick and tired of doing this!!!
>>
>>  if maxlength == UNLIMITED:
>>      allow_passage()
>>  elif len(string)>  maxlength:
>>      deny_passage()
>>
>>  What Python needs is some constant that can be compared to ANY numeric
>>  type and that constant will ALWAYS be larger!
>>
>>
>>
> If there is no limit for len(string), why not simply use
>
> # get_limit() returns None if there is no limit
> maxlength = get_limit()
> if maxlength and (len(string)<= maxlength):
>      allow_passage()
> else:
>      deny_passage()
>
That should be:

if maxlength is not None and len(string) <= maxlength:



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