ref: be1ed4d2e0a785d303433ed7b1807e283889d81d
dir: /test/bio-read.myr/
use std
use bio
const main = {
var f
/* Must be bigger than a bio buffer (ie, > 64k) */
var buf : byte[64*1024]
match bio.open("data/datafile", bio.Rd)
| `std.Some bio: f = bio
| `std.None: std.fatal(1, "Unable to open data file")
;;
/* read a 4 byte chunk */
bio.read(f, buf[:4])
std.write(1, buf[:4])
std.write(1, "\n")
/* read the next 32 bytes */
bio.read(f, buf[:32])
std.write(1, buf[:32])
std.write(1, "\n")
/* read a 64k chunk */
bio.read(f, buf[:])
std.write(1, buf[:])
std.write(1, "\n")
}