ref: 718107741aaeebbdce0391d6080ada98428c2c86
dir: /lib/crypto/util.myr/
use std pkg testutil = const hasheq : (got : byte[:], expected : byte[:] -> void) ;; const hasheq = {got, expected var sb, str sb = std.mksb() for x : got std.sbfmt(sb, "{p=0,w=2,x}", x) ;; str = std.sbfin(sb) if (!std.eq(str, expected)) std.fatal("mismatched hashes:\n\tgot:\t{}\n\texpected:\t{}\n", str, expected) ;; std.slfree(str) }