Ppx_trace (ppx_trace.Ppx

val location_errorf : 
  loc:Ocaml_common.Location.t ->
  ('a, Stdlib.Format.formatter, unit, 'b) format4 ->
  'c

let expression

val expand_let : 
  ctxt:Ppxlib.Expansion_context.Extension.t ->
  [ `Unit | `Var of Ppxlib.label Ppxlib.loc ] ->
  string ->
  Ppxlib_ast.Ast.expression ->
  Ppxlib_ast.Ast.expression

val extension_let : Ppxlib.Extension.V3.t

val rule_let : Ppxlib.Context_free.Rule.t

Toplevel binding

val expand_top_let : 
  ctxt:Ppxlib.Expansion_context.Extension.t ->
  Astlib.Ast_500.Asttypes.rec_flag ->
  Ppxlib.value_binding list ->
  Astlib.Ast_500.Parsetree.structure_item

val extension_top_let : Ppxlib.Extension.V3.t

val rule_top_let : Ppxlib.Context_free.Rule.t