ref: 3aa6af831c0a5da56c6e5d8f610a2dca6693670e
dir: /libstd/waitstatus+freebsd.myr/
use "die.use"
pkg std =
type waitstatus = union
`Waitexit int32
`Waitsig int32
`Waitstop int32
;;
const waitstatus : (st : int32 -> waitstatus)
;;
const waitstatus = {st
match st & 0o177
| 0: -> `Waitexit (st >> 8)
| 0x7f:-> `Waitstop (st >> 8)
| sig: -> `Waitsig sig
;;
die("unreachable")
}