You can search for identifiers within the package.
in-package search v0.2.0
type 'a t
include sig ... end
val t_of_sexp : (Ppx_sexp_conv_lib.Sexp.t -> 'a) -> Ppx_sexp_conv_lib.Sexp.t -> 'a t
val sexp_of_t : ('a -> Ppx_sexp_conv_lib.Sexp.t) -> 'a t -> Ppx_sexp_conv_lib.Sexp.t
val charset : 'a t -> Charset.t
val language : 'a t -> Language.t
val value : 'a t -> 'a
val make : ?charset:Charset.t -> ?language:Language.t -> 'a -> 'a t
val map : ('a -> 'b) -> 'a t -> 'b t