Subst

type t

val identity : t

val add_type : Ident.t -> Path.t -> t -> t

val add_type_path : Path.t -> Path.t -> t -> t

val add_type_function : 
  Path.t ->
  params:Types.type_expr list ->
  body:Types.type_expr ->
  t ->
  t

val add_module : Ident.t -> Path.t -> t -> t

val add_module_path : Path.t -> Path.t -> t -> t

val add_modtype : Ident.t -> Types.module_type -> t -> t

val add_modtype_path : Path.t -> Types.module_type -> t -> t

val for_saving : t -> t

val reset_for_saving : unit -> unit

val change_locs : t -> Location.t -> t

val module_path : t -> Path.t -> Path.t

val type_path : t -> Path.t -> Path.t

val modtype_path : t -> Path.t -> Path.t

val type_expr : t -> Types.type_expr -> Types.type_expr

val class_type : t -> Types.class_type -> Types.class_type

val value_description : t -> Types.value_description -> Types.value_description

val type_declaration : t -> Types.type_declaration -> Types.type_declaration

val extension_constructor : 
  t ->
  Types.extension_constructor ->
  Types.extension_constructor

val class_declaration : t -> Types.class_declaration -> Types.class_declaration

val cltype_declaration : 
  t ->
  Types.class_type_declaration ->
  Types.class_type_declaration

type scoping =

val modtype : scoping -> t -> Types.module_type -> Types.module_type

val signature : scoping -> t -> Types.signature -> Types.signature

val signature_item : 
  scoping ->
  t ->
  Types.signature_item ->
  Types.signature_item

val modtype_declaration : 
  scoping ->
  t ->
  Types.modtype_declaration ->
  Types.modtype_declaration

val module_declaration : 
  scoping ->
  t ->
  Types.module_declaration ->
  Types.module_declaration

val compose : t -> t -> t

module Lazy : sig ... end