include sig ... end
val compare : ('a1 ‑> 'a1 ‑> Core_kernel__.Import.int) ‑> ('a2 ‑> 'a2 ‑> Core_kernel__.Import.int) ‑> ('a1, 'a2) t ‑> ('a1, 'a2) t ‑> Core_kernel__.Import.int
val to_stable_format : ('a1, 'a2) t ‑> ('a1, 'a2) Stable_format.t
val of_stable_format : ('a1, 'a2) Stable_format.t ‑> ('a1, 'a2) t