You can search for identifiers within the package.
in-package search v0.2.0
ppxlib
ppxlib.ast
Ppxlib_ast.Find_version
Helper to find the frontend corresponding to a given magic number
type t =
| Impl of (module Ppxlib_ast__.Versions.OCaml_version)
| Intf of (module Ppxlib_ast__.Versions.OCaml_version)
| Unknown
val from_magic : string -> t