You can search for identifiers within the package.
in-package search v0.2.0
ppx
PpxHelpers.Me
type t = Ppxlib.module_expr
val structure : loc:Ppxlib__.Import.location -> Ppxlib__.Import.structure -> Ppxlib__.Import.module_expr
val ident : loc:Ppxlib__.Import.location -> Ppxlib__.Import.longident -> Ppxlib__.Import.module_expr
val apply : loc:Ppxlib__.Import.location -> Ppxlib__.Import.module_expr -> Ppxlib__.Import.module_expr -> Ppxlib__.Import.module_expr
val functor_ : loc:Ppxlib__.Import.location -> string -> Ppxlib__.Import.module_type option -> Ppxlib__.Import.module_expr -> Ppxlib__.Import.module_expr