It definitely is,
thanks for all your answers… Regards Max Am 16.07.2014 um 00:56 schrieb Camille Teruel <camille.ter...@gmail.com>: > I've been overtaken :) > Isn't that an active mailing list ? > > On 16 juil. 2014, at 00:53, Camille Teruel <camille.ter...@gmail.com> wrote: > > Hi Max, > Pharo doesn't have syntax for prefix operator like "-". > The parser does accepts a "-" before literal numbers but it's not possible > for arbitrary expressions. > > However you have the message #negated . > > negatedWidth > ^ self width negated > > Cheers, > Camille > > On 16 juil. 2014, at 00:16, Verkoster Info <i...@derverkoster.de> wrote: > Hi, > > I am using latest Pharo 3.0 + vm. > > I have a method width with > width > > ^ 115 * self ratio. > in my understanding it returns a Number. > > When I try to create a method > negatedWidth > > ^ - (self width). > > the UI tells me that only Numbers may be negated. I am not able to save the > method. Am I on a wrong path or should that work and if how can I avoid the > UI error message? > > Regards > > Max