ref: 80483aa913c9f4bc672f11eccaab0496ec6dec7c
dir: /libstd/waitstatus+osx.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) | 0o177:-> `Waitstop (st >> 8) | sig: -> `Waitsig sig ;; die("unreachable") }