Avoiding monkey typing for custom roles on built-in types...

2020-08-08 Thread Stuart Hungerford
Hi, I'm creating some Raku roles that model algebraic structures: role AddMagma { method add(AddMagma:D, AddMagma:D) of AddMagma:D {...} } role AddSemigroup does AddMagma { multi method add-associativity(AddSemigroup:D \x, AddSemigroup:D \y) of Bool:D { self.add(x.add(y)) ==

SF Perl's Raku Study Group

2020-08-08 Thread Joseph Brenner
The SF Perl group's online Raku Study group is coming up again tomorrow, Sunday August 09th at 2pm, via zoom. RSVP to: https://www.meetup.com/San-Francisco-Perl/events/271993517/ zoom link, 2pm: https://us04web.zoom.us/j/72909473784?pwd=YTd1ZnlWTFV3ckZMWmtRcXdPK2loZz09

Re: zef: too many files in ~/.raku/short

2020-08-08 Thread Fernando Santagata
Hi Timo, Thanks for your reply. I solved the problem cleaning the directory and reinstalling all the modules. In the future I will keep the thing monitored, so should it happen again I'll be able to dig deeper into it. On Sat, Aug 8, 2020, 19:16 Timo Paulssen wrote: > Hi Fernando, > > do you

Re: zef: too many files in ~/.raku/short

2020-08-08 Thread Timo Paulssen
Hi Fernando, do you happen to have the exact error message? The simplest search through the zef source didn't find anything related, so perhaps it was actually "too many open files" caused by a too-low limit on open file descriptors? `ulimit -a` on my system gives me `Maximum number of open file