ref: 2d9fe7100209acb431e392d58e4cf4eccfde00b7
dir: /lib/std/blat.myr/
use "syswrap" use "result" pkg std = const blat : (path : byte[:], buf : byte[:], perm : int64 -> bool) const fblat : (f : fd, buf : byte[:] -> bool) ;; const blat = {path, buf, perm match openmode(path, Ocreat|Owrite, perm) | `Ok fd: var r = fblat(fd, buf) close(fd) -> r | `Err e: -> false ;; } const fblat = {fd, buf var count count = 0 while true match write(fd, buf[count:]) | `Err e: -> false | `Ok n: if n == 0 break ;; count += n ;; ;; -> count == buf.len }