fold_map (ppxlib.Ppxlib_traverse_builtins.fold

method int : < array : 
               'a. ( 'a, 'acc ) T.fold_map ->
               ( 'a array, 'acc ) T.fold_map
               ; bool : ( bool, 'acc ) T.fold_map
               ; char : ( char, 'acc ) T.fold_map
               ; int : ( int, 'acc ) T.fold_map
               ; list : 
                 'a. ( 'a, 'acc ) T.fold_map ->
                 ( 'a list, 'acc ) T.fold_map
               ; option : 
                 'a. ( 'a, 'acc ) T.fold_map ->
                 ( 'a option, 'acc ) T.fold_map
               ; string : ( string, 'acc ) T.fold_map.. > ->
  ( int, 'acc ) T.fold_map

method string : 'c -> ( string, 'acc ) T.fold_map

method bool : 'c -> ( bool, 'acc ) T.fold_map

method char : 'c -> ( char, 'acc ) T.fold_map

method option : 'c ->
  'a. ( 'a, 'acc ) T.fold_map ->
  ( 'a option, 'acc ) T.fold_map

method list : 'c -> 'a. ( 'a, 'acc ) T.fold_map -> ( 'a list, 'acc ) T.fold_map

method array : 'c ->
  'a. ( 'a, 'acc ) T.fold_map ->
  ( 'a array, 'acc ) T.fold_map