ref: a2352649c2a8f5937335a8c791f3581f52cd8d6f
dir: /lib/cryptohash/test/util.myr/
use std pkg = const hasheq : (got : byte[:], expected : byte[:] -> void) ;; const hasheq = {got, expected var sb, str sb = std.mksb() for x in got std.sbfmt(sb, "{p=0,w=2,x}", x) ;; str = std.sbfin(sb) if (!std.sleq(str, expected)) std.fatal("mismatched hashes:\n\tgot:\t{}\n\texpected:\t{}\n", str, expected) ;; std.slfree(str) }