ref: a16c4e637079bb3d7f1cb93ae9b2348d710c003f
dir: /test/matchnsconst.myr/
use std const main = { var v v = std.Badchar match v | std.Maxcharval: std.put("matched maxcharval\n") | std.Badchar: std.put("matched badchar\n") | 'c': std.put("matched 'c'\n") | _: std.die("Impossible match failure in pattern\n") ;; }