Class Fold_with_context.folder

method fold_bool : 'c -> bool -> 'a -> 'a action
method fold_char : 'c -> char -> 'a -> 'a action
method fold_int : 'c -> int -> 'a -> 'a action
method fold_string : 'c -> string -> 'a -> 'a action
method fold_option : 'x. 'c -> 'x option -> 'a -> 'a action
method fold_list : 'x. 'c -> 'x list -> 'a -> 'a action