[Python-Dev] Doubt about closure/function generation in bytecode

[Benjamin Peterson]

2013/7/12 Andrea Griffini <agriff at tin.it>:
> Is there any semantic difference between
>
>     BUILD_TUPLE 0
>     LOAD_CONST <code object ... >
>     MAKE_CLOSURE 0
>
> and
>
>     LOAD_CONST <code object ...>
>     MAKE_FUNCTION 0
>
> ?
>
> In other words is there any difference between a function and a closure that
> doesn't capture anything? Is it just a speed optimization for a common case?

It probably has more to do with the fact that nested scopes with added
much later in Python's history than functions.
>



--
Regards,
Benjamin