ref: 1b49f96477ee3dc7c36dc9dd6fda0c081b6aafbd
dir: /lib/std/mkpath.myr/
use "syswrap"
use "errno"
pkg std =
	const mkpath	: (p : byte[:], mode : int64 -> errno)
;;
const mkpath = {p, mode
	var st
	for var i = 0; i < p.len; i++
		if p[i] == ('/' : byte) && i != 0
			st = mkdir(p[:i], mode)
			if st != 0 && st != Eexist
				-> st
			;;
		;;
	;;
	-> Enone
}