ref: ac53b78d88d7f460ada21633fb1dc8ee96b53a36
dir: /lib/std/mkpath.myr/
use "syswrap" use "errno" pkg std = const mkpath : (p : byte[:] -> errno) ;; const mkpath = {p var st for var i = 0; i < p.len; i++ if p[i] == ('/' : byte) && i != 0 st = mkdir(p[:i], 0o755) if st != 0 && st != Eexist -> st ;; ;; ;; st = mkdir(p, 0o755) -> Enone }