Similar to O, except that operators are suffixed with a dot, as in the OCaml standard library.
O
val (+.) : t ‑> t ‑> t
val (-.) : t ‑> t ‑> t
val (*.) : t ‑> t ‑> t
val (/.) : t ‑> t ‑> t
val (**.) : t ‑> t ‑> t
val (~-.) : t ‑> t