ref: 59d49a9789ad8fae0d464e3e60e1196d7d861d18 dir: /lib/fileutil/tmpdir.myr/
use std pkg fileutil = const homedir : (-> byte[:]) ;; const homedir = { match std.getenv("TMPDIR") | `std.Some d: -> d | `std.None: -> "/tmp" ;; }