Ocamlformat.VersionSourceval make :
major:Ocamlformat_stdlib.int ->
minor:Ocamlformat_stdlib.int ->
patch:Ocamlformat_stdlib.int Ocamlformat_stdlib.option ->
tA version number, or "unknown". This is provided by dune-build-info, which means that it will be resolved in the following way:
git describe will be used. Caveat for this case: binaries under _build/ will not have this information, but dune install --prefix _install will copy a valid binary under _install/bin.