[Python-ideas] Add 'composable' decorator to functools (with @ matrix multiplication)

[Chris Angelico]

On Thu, May 7, 2015 at 2:10 AM, Ivan Levkivskyi <levkivskyi at gmail.com> wrote:
> Dear Guido,
>
> My original idea was to make the composable functions auto-curried (similar
> to proposed here
> http://code.activestate.com/recipes/52902-function-composition/ as pointed
> out by Steve) so that
>
> my_fun = square @ add(1)
> my_fun(x)
>
> evaluates to
>
> square(add(1,x))

Hmm. This would require that your composable functions autocurry,
which may be tricky to do in the general case. It also requires that
the right hand function be composable, unlike in your earlier example.

ChrisA