Ast_helper.MbModule bindings
Module bindings
val mk : 
  ?loc:Astlib.Location.t ->
  ?attrs:Astlib.Ast_500.Parsetree.attribute list ->
  string option Astlib.Location.loc ->
  Astlib.Ast_500.Parsetree.module_expr ->
  Astlib.Ast_500.Parsetree.module_binding