Is there a way to change the closure of a python function?

[Steve D'Aprano]

On Wed, 28 Sep 2016 11:05 pm, Jussi Piitulainen wrote:

> Steve D'Aprano writes:
> 
>> On Wed, 28 Sep 2016 08:03 pm, Lawrence D’Oliveiro wrote:
>>
>>> On Wednesday, September 28, 2016 at 9:53:05 PM UTC+13, Gregory Ewing
>>> wrote:
>>>> Essentially you write the whole program in continuation-
>>>> passing style, with a state object being passed down an
>>>> infinite chain of function calls.
>>> 
>>> Procedural programming under another name...
>>
>> Only in the sense that procedural programming is unstructured programming
>> under another name. What is a procedure call but a disguised GOSUB, and
>> what is GOSUB but a pair of GOTOs?
> 
> Continuation-passing style is only GOTOs. Instead of returning to the
> caller, procedures pass control to the continuation, together with the
> values that the continuation is expecting from the procedure.
> 
> I guess you can think of it as a way to disguise a GOSUB.


Really, if you think about it, both functional and procedural programming
are exactly the same as programming in assembly language. Returning a value
from a function pushes that value onto the function call stack, which is
really just a disguised assembly MOV command.



-- 
Steve
“Cheer up,” they said, “things could be worse.” So I cheered up, and sure
enough, things got worse.