Newbie: static typing?

[Joshua Landau]

On 6 August 2013 10:01, Rui Maciel <rui.maciel at gmail.com> wrote:
> Ben Finney wrote:
>
>> Rui Maciel <rui.maciel at gmail.com> writes:
>>
>>> Is there any pythonic way to perform static typing?
>>
>> I think no; static typing is inherently un-Pythonic.
>>
>> Python provides strong, dynamic typing. Enjoy it!
>
> Bummer.

It's really not.


>>> Does anyone care to enlighten a newbie?
>>
>> Is there some specific problem you think needs static typing? Perhaps
>> you could start a new thread, giving an example where you are having
>> trouble and you think static typing would help.
>
> It would be nice if some functions threw an error if they were passed a type
> they don't support or weren't designed to handle.  That would avoid having
> to deal with some bugs which otherwise would never happen.
>
> To avoid this sort of error, I've been testing arguments passed to some
> functions based on their type, and raising TypeError when necessariy, but
> surely there must be a better, more pythonic way to handle this issue.

Unless you have a very good reason, don't do this. It's a damn pain
when functions won't accept my custom types with equivalent
functionality -- Python's a duck-typed language and it should behave
like one.