ref: cb2a50f6b3ada53a03cd211c79f920979edc0a25
dir: /lib/bio/test/bio-unitwr.myr/
use std
use bio
const main = {
var f
match bio.create("tmpout/test-unitwr", bio.Wr, 0o644)
| `std.Ok bio: f = bio
| `std.Err m: std.fatal("Unable to open data file: {}\n", m)
;;
bio.putb(f, 42)
bio.putc(f, 'ה')
bio.putb(f, 0xa)
bio.close(f);
}