ref: 90e26e0f687da28530b3b967df0cedf20407c071
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: -> fblat(fd, buf) | `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 }