Comprehension with two variables - explanation needed
Chris Angelico
rosuav at gmail.com
Sun Nov 23 23:51:33 EST 2014
On Mon, Nov 24, 2014 at 3:42 PM, Steven D'Aprano <steve at pearwood.info> wrote:
> Today dis() returns the above, tomorrow it may return:
>
> 0 LOAD_GLOBAL 0 (x)
> 3 INCREMENT
> 5 RETURN_VALUE
>
> (say), and the Python code remains the same even though the byte code is
> different.
I hope not! The x in the original function was a local, not a global,
and if dis.dis() says LOAD_GLOBAL for something that's not global, it
would be *very* confusing! :)
But yes, CPython could grow an INCREMENT bytecode, and it'd not break anything.
ChrisA
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