ref: f6ba58c5be0d9632a34ae6ad1a305445a71ebc89 dir: /lib/thread/util.myr/
use std use thread pkg thrtestutil = const mkherd : (n : uint32, fn : (-> void) ->void) ;; const mkherd = {n, fn for var i = 0; i < n; i++ std.try(thread.spawn(fn)) ;; }