To expand Armin's answer, the two most "visible" effects for end users are:
- some_unicode.encode('utf-8') is essentially for free (because it is
already UTF-8 internally)
- some_bytes.decode('utf-8') is very chep (it just needs to check that
some_bytes is valid utf-8)
ciao,
Anto
On Wed, Feb 26, 2020 at 4:47 PM Armin Rigo <armin.r...@gmail.com> wrote:
> Hi Jerry,
>
> On Wed, 26 Feb 2020 at 16:09, Jerry Spicklemire <jspicklem...@gmail.com>
> wrote:
> > Is there a tutorial about how to best take advantage of PyPy's internal
> UTF8?
>
> For best or for worse, this is only an internal feature. It has no
> effect for the end user. In particular, Python programs written for
> PyPy3.6 and for CPython3.6 should work identically. The fact that it
> uses internally utf-8 is not visible to the Python
> program---otherwise, it would never be cross-compatible.
>
>
> A bientôt,
>
> Armin.
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