[Python-Dev] Issues with PEP 482 (1) (original) (raw)

Mark Shannon mark at hotpy.org
Tue Apr 28 22:00:17 CEST 2015


On 28/04/15 20:39, Paul Sokolovsky wrote:

Hello,

On Tue, 28 Apr 2015 19:44:53 +0100 Mark Shannon <mark at hotpy.org> wrote: []

A coroutine without a yield statement can be defined simply and concisely, thus:

@coroutine def f(): return 1 [] A pure-python definition of the "coroutine" decorator is given below. [] from types import FunctionType, CodeType COCOROUTINE = 0x0080 COGENERATOR = 0x0020 def coroutine(f): 'Converts a function to a generator function' oldcode = f.code newcode = CodeType( oldcode.coargcount, oldcode.cokwonlyargcount, This is joke right? Well it was partly for entertainment value, although it works on PyPy.

The point is that something that can be done with a decorator, whether in pure Python or as builtin, does not require new syntax.

Cheers, Mark.



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