ref: b53309d883b5facd81d37606c49b432833f32b72
dir: /lib/std/writeall.myr/
use "errno"
use "result"
use "option"
use "syswrap"
use "types"
pkg std =
const writeall : (fd : fd, src : byte[:] -> (size, option(errno)))
;;
const writeall = {fd, src
var sz
sz = src.len
while src.len != 0
match std.write(fd, src)
| `Ok n:
src = src[n:]
| `Err e:
-> (sz - src.len, `Some e)
;;
;;
-> (sz, `None)
}