$ opam install omonad
The following actions will be performed:
∗ install omonad 0.3.0
=-=- Gathering sources =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
[omonad] Archive in cache
=-=- Processing actions -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
∗ installed omonad.0.3.0
Done.
$ ocamlfind list | grep onad
<empty>