[Python-Dev] Making None a keyword

Gustavo Niemeyer niemeyer@conectiva.com
Fri, 26 Apr 2002 11:33:51 -0300

Hi Fred!

> Regarding changing LOAD_CONST 0 to LOAD_NONE, yes.  What's more
> interesting are the changes of LOAD_GLOBAL 'None' to one of LOAD_CONST
> 0 or LOAD_NONE.  That could be changed to use LOAD_CONST 0 *now*,
> without adding a new bytecode, and we could get a better idea of how
> much performance it actually buys us in practice, since we get rid of
> two dict lookups (globals & builtins).

It's clear now.. thanks!

> That doesn't address the deprecation cycle, but it would be nice to
> see what the change would buy us.

I'm going to work on it, and come back with some results.

Gustavo Niemeyer

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