shithub: mc

ref: eab5599e480cc900f86acca3d157ad670110d570
dir: /lib/std/writeall.myr/

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use "errno.use"
use "result.use"
use "option.use"
use "syswrap.use"
use "types.use"

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:]
		| `Fail e:
			-> (sz - src.len, `Some e)
		;;
	;;
	-> (sz, `None)
}