Hi Andrea, Bob
> -----Ursprüngliche Nachricht-----
> Von: Bob Weinand [mailto:[email protected]]
> Gesendet: Sonntag, 5. Juni 2016 01:00
> An: Andrea Faulds
> Cc: [email protected]
> Betreff: Re: [PHP-DEV] Re: [RFC] [PRE-VOTE] Union types
>
>
> > Am 05.06.2016 um 00:55 schrieb Andrea Faulds <[email protected]>:
> >
> > Hi again,
> >
> > In an attempt to be constructive, I have implemented an alternative
> > approach to weak scalar type selection here:
> >
> > https://github.com/krakjoe/php-src/compare/multi-types...TazeTSchnitzel:multi-types-roulette
> >
> > Where there is no exact scalar type match, this patch uses an algorithm
> > originally suggested by Nikita, wherein we
use
> rand() to pick which type to cast to.
> >
> > This is much simpler than having a type precedence matrix, and thus is
> > easier to remember and reason about. The
choice
> of selection function means that no particular use-case is privileged. Given
> PHP's scalar types are roughly equivalent
(after
> all, PHP juggles them freely), this apparently unorthodox selection process
> should nonetheless produce sensible
results in
> most cases.
> >
> > Please tell me your thoughts!
> >
> > --
> > Andrea Faulds
> > https://ajf.me/ <https://ajf.me/>
> This is the holy grail I was hunting for so long!
>
> All my computational problems can be solved by a simple rand()!
>
> In case nobody objects I'm going to merge that straight ahead into php-src
> 7.0 (no need for master-only, after all
it's no real
> BC break!).
>
> Thanks a very much!!!
>
> Bob
Not sure if this is a clever idea. I haven't read all emails so bear with me if
this is more than clear. What happens
with the following?
function foo(int | string $a) {
if ($a == "") {
//a
} else {
//b
}
}
foo(false);
What branch is taken? Is it taken randomly?
--
PHP Internals - PHP Runtime Development Mailing List
To unsubscribe, visit: http://www.php.net/unsub.php
