ref: b7747c5a3d36f99514b1945efb05b9f04f7dc74a
dir: /libbio/test/bio-unitwr.myr/
use std
use bio
const main = {
var f
match bio.create("tmpout/test-unitwr", bio.Wr, 0o644)
| `std.Some bio: f = bio
| `std.None: std.fatal(1, "Unable to open data file")
;;
bio.putb(f, 42)
bio.putc(f, 'ה')
bio.putb(f, 0xa)
bio.close(f);
}