Those are predecessors of the “react / whenever” syntax. I think that therefore this ticket can be closed now.
> On 3 Dec 2017, at 04:58, Aleks-Daniel Jakimenko-Aleksejev via RT > <perl6-bugs-follo...@perl.org> wrote: > > what is `earliest`, `more` and `wait`? > > On 2015-06-06 16:40:28, r...@hoelz.ro wrote: >> The attached script reproduces the issue. >> >> When I use earliest with a wait 0 block, I get the following error >> message: >> >> No exception handler located for last_label >> >> Interestingly enough, if I increase 0 to some arbitrary timeout, this >> affects the bug; I've found if I keep it below 220ms, it triggers the >> bug. Going higher fixes the problem.