Ast_helper.StrStructure items
val mk : ?loc:loc -> Parsetree.structure_item_desc -> Parsetree.structure_itemval eval : 
  ?loc:loc ->
  ?attrs:Parsetree.attributes ->
  Parsetree.expression ->
  Parsetree.structure_itemval value : 
  ?loc:loc ->
  Asttypes.rec_flag ->
  Parsetree.value_binding list ->
  Parsetree.structure_itemval primitive : 
  ?loc:loc ->
  Parsetree.value_description ->
  Parsetree.structure_itemval type_ : 
  ?loc:loc ->
  Asttypes.rec_flag ->
  Parsetree.type_declaration list ->
  Parsetree.structure_itemval type_extension : 
  ?loc:loc ->
  Parsetree.type_extension ->
  Parsetree.structure_itemval exception_ : 
  ?loc:loc ->
  Parsetree.type_exception ->
  Parsetree.structure_itemval module_ : ?loc:loc -> Parsetree.module_binding -> Parsetree.structure_itemval rec_module : 
  ?loc:loc ->
  Parsetree.module_binding list ->
  Parsetree.structure_itemval modtype : 
  ?loc:loc ->
  Parsetree.module_type_declaration ->
  Parsetree.structure_itemval open_ : ?loc:loc -> Parsetree.open_declaration -> Parsetree.structure_itemval class_ : 
  ?loc:loc ->
  Parsetree.class_declaration list ->
  Parsetree.structure_itemval class_type : 
  ?loc:loc ->
  Parsetree.class_type_declaration list ->
  Parsetree.structure_itemval include_ : 
  ?loc:loc ->
  Parsetree.include_declaration ->
  Parsetree.structure_itemval extension : 
  ?loc:loc ->
  ?attrs:attrs ->
  Parsetree.extension ->
  Parsetree.structure_itemval attribute : ?loc:loc -> Parsetree.attribute -> Parsetree.structure_itemval text : Docstrings.text -> Parsetree.structure_item list