[Python-ideas] setting function properties with a decorator syntax

[nbv4]

On Mar 18, 5:01 pm, Andrey Fedorov <anfedo... at gmail.com> wrote:
> spir wrote:
> > A "parameterisable" generator factory: [...]
>
> Good lord, no! Nooo!
>
> "power" is one thing with one semantic meaning
> "range" is another thing with another semantic meaning
>
> There is absolutely no excuse for mixing the two implementation into a
> "power-range" monstrosity. Implement the two separately and make some custom
> function composition like:
>
> def pow(x, n):
>     return x**n
>
> def pow_o_range(n, a, b):
>     return [(x, pow(x, n)) for x in range(a,b)]
>
> for i, x in pow_o_range(3, 1, 10):
>    print "%s:%s" % (i,x),
>
> # prints "1:1 2:8 3:27 4:64 5:125 6:216 7:343 8:512 9:729"
>

i was just an example to demonstrate the usage dude, :)