[Python-ideas] Checking interned string after stringobjects concat?

[Chris Angelico]

On Sat, Apr 21, 2018 at 10:29 PM, Serhiy Storchaka <storchaka at gmail.com> wrote:
> 21.04.18 13:42, Chris Angelico пише:
>>
>> What you're seeing there is actually the peephole optimizer at work.
>
>
> Since 3.7 constant folding is the AST optimizer work. The end result is the
> same in most cases though.
>
> Other optimization takes place here too. Constants strings that look like
> identifiers (short string consisting of ASCII alphanumerical characters) are
> interned in the code object constructor.

Ah, sorry, my bad. Anyhow, it's part of compile-time optimization,
which means that it runs the exact same code for both assignments.

ChrisA