I was referring more to the fact that you don't need parentheses around
that—if I remove the leading space, it looks like @ is an operator that
operates on the first `Spam()`:
@Spam() + Spam()
def func()
pass
while instead it's just part of the (compound) statement syntax for
function definition.
If one had to think of @ as an operator, it would be a unary operator of
the absolute lowest priority. So, from a code style perspective, should we
add a space between it and the expression? This should be discussed and
added to PEP8, it's a very transcendental matter! ;)
On Sat, 19 Sep 2020, 03:45 Christopher Barker, <[email protected]> wrote:
> On Fri, Sep 18, 2020 at 3:50 PM Paolo Lammens <[email protected]>
> wrote:
>
>>
>>
>> class Spam:
>>
>>
>> def __add__(self, other): return self
>>
>>
>> def __call__(self, f): return f
>>
>>
>>
>>
>>
>> @ Spam() + Spam()
>>
>>
>> def func():
>>
>>
>> pass
>>
>
> I think so, yes.
>
>
>>
>>
>> That looks hella weird XD
>>
>>
>>
> Indeed it does, but you can do all kinds of other "weird" stuff with
> callables -/ they are objects like any other, and this can be the result of
> virtually any expression.
>
> -CHB
>
>
>
>
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>
> --
> Christopher Barker, PhD
>
> Python Language Consulting
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>
> --
> Christopher Barker, PhD
>
> Python Language Consulting
> - Teaching
> - Scientific Software Development
> - Desktop GUI and Web Development
> - wxPython, numpy, scipy, Cython
>
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