Re: rfc: pow-operator

On Sun, Nov 24, 2013 at 8:31 AM, Kris Craig <kris.craig@gmail.com> wrote: > We should be following standard Order of Operations here. As such, the > option of no associativity should be included. Furthermore, there needs to > be a voting option regarding how to deal with even exponents of negative > bases; i.e. treat "-3 ^ 2" as "-3 ^ 2 == 9" or as "-(3 ^ 2) == > -9". > To support the latter "-3 ** 2 == 9" we would require a unary minus that has a higher precedence than the exponent operator and as such falls outside of the scope of this RFC. That said, I'm not even sure whether we can support a unary minus with the current parser. > > Without those options, my vote would be a firm No. > > --Kris > > > On Sat, Nov 23, 2013 at 9:43 AM, Derick Rethans <derick@php.net> wrote: > >> On Sat, 23 Nov 2013, Tjerk Meesters wrote: >> >> > Hi guys, >> > >> > I'm done drafting the RFC for the exponential operator: >> > https://wiki.php.net/rfc/pow-operator >> > >> > Since this is a language feature, voting will only start in two weeks >> from >> > now. >> >> Something that I missed in there, are you thinking of adding: >> >> **= >> >> in there too, just like we have: >> >> $a += 5; >> >> cheers, >> Derick >> >> -- >> http://derickrethans.nl | >> http://xdebug.org >> Like Xdebug? Consider a donation: >> http://xdebug.org/donate.php >> twitter: @derickr and @xdebug >> Posted with an email client that doesn't mangle email: alpine >> >> -- >> PHP Internals - PHP Runtime Development Mailing List >> To unsubscribe, visit: http://www.php.net/unsub.php >> >> > -- -- Tjerk