val fst3 : ('a * 'b * 'c) -> 'a

val snd3 : ('a * 'b * 'c) -> 'b

val thd3 : ('a * 'b * 'c) -> 'c

module Functional : sig ... end

include module type of struct include Functional end

Functional combinators

val (-<-) : ('a -> 'b) -> ('c -> 'a) -> 'c -> 'b

"compose" operators (arrow indicates direction of composition)

val (->-) : ('a -> 'b) -> ('b -> 'c) -> 'a -> 'c

val curry : (('a * 'b) -> 'c) -> 'a -> 'b -> 'c

val uncurry : ('a -> 'b -> 'c) -> ('a * 'b) -> 'c

val identity : 'a -> 'a

val flip : ('a -> 'b -> 'c) -> 'b -> 'a -> 'c

val const : 'a -> 'b -> 'a

val cross : ('a -> 'b) -> ('c -> 'd) -> ('a * 'c) -> 'b * 'd

Simulating infix function words (a la Haskell backticks)

val (<|) : ('a -> 'b) -> 'a -> 'b

left-associative

val (|>) : 'a -> ('a -> 'b) -> 'b

module type OrderedShow = sig ... end

module type Map = sig ... end

module String : sig ... end

module Int : sig ... end

module IntPair : sig ... end

module Char : sig ... end

module Map : sig ... end

module type Set = sig ... end

module Set : sig ... end

module type INTSET = Set with type elt = int

module IntSet : sig ... end

module IntMap : sig ... end

module IntPairMap : sig ... end

module type STRINGMAP = Map with type key = string

module type INTMAP = Map with type key = int

module StringSet : sig ... end

module StringMap : STRINGMAP

module type CHARSET = Set with type elt = char

module CharSet : CHARSET

module CharMap : sig ... end

type stringset = StringSet.t

val pp_stringset : 
  Ppx_deriving_runtime.Format.formatter ->
  stringset ->
  Ppx_deriving_runtime.unit

val show_stringset : stringset -> Ppx_deriving_runtime.string

module Typeable_stringset : Deriving_Typeable.Typeable with type a = stringset = Deriving_Typeable.Primitive_typeable(struct type t = stringset let magic = "stringset" end)*

type 'a stringmap = 'a StringMap.t

val pp_stringmap : 
  'a. (Ppx_deriving_runtime.Format.formatter ->
        'a ->
        Ppx_deriving_runtime.unit) ->
  Ppx_deriving_runtime.Format.formatter ->
  'a stringmap ->
  Ppx_deriving_runtime.unit

val show_stringmap : 
  'a. (Ppx_deriving_runtime.Format.formatter ->
        'a ->
        Ppx_deriving_runtime.unit) ->
  'a stringmap ->
  Ppx_deriving_runtime.string

type intset = IntSet.t

val pp_intset : 
  Ppx_deriving_runtime.Format.formatter ->
  intset ->
  Ppx_deriving_runtime.unit

val show_intset : intset -> Ppx_deriving_runtime.string

type 'a intmap = 'a IntMap.t

val pp_intmap : 
  'a. (Ppx_deriving_runtime.Format.formatter ->
        'a ->
        Ppx_deriving_runtime.unit) ->
  Ppx_deriving_runtime.Format.formatter ->
  'a intmap ->
  Ppx_deriving_runtime.unit

val show_intmap : 
  'a. (Ppx_deriving_runtime.Format.formatter ->
        'a ->
        Ppx_deriving_runtime.unit) ->
  'a intmap ->
  Ppx_deriving_runtime.string

val list_to_set : IntSet.elt list -> IntSet.t

module ListUtils : sig ... end

include module type of struct include ListUtils end

Lists

val empty : 'a list -> bool

Test whether the argument is the empty list.

val fromTo : int -> int -> int list

fromTo a b is the list of consecutive integers starting with a and ending with b-1. Throws Invalid_argument "fromTo" if b < a.

val mapIndex : ('a -> int -> 'b) -> 'a list -> 'b list

map with index

val all_equiv : ('a -> 'a -> bool) -> 'a list -> bool

all_equiv rel list: given an equiv. rel'n rel, determine whether all elements of list are equivalent.

val span : ('a -> bool) -> 'a list -> 'a list * 'a list

span pred list: partition list into an initial sublist satisfying pred and the remainder.

val groupBy : ('a -> 'a -> bool) -> 'a list -> 'a list list

groupBy rel list: given a binary rel'n rel, partition list into chunks s.t. successive elements x, y in a chunk give the same value under rel.

val groupByPred : ('a -> 'b) -> 'a list -> 'a list list

groupByPred pred partitions list into chunks where all elements in the chunk give the same value under pred.

val groupByPred' : ('a -> 'b) -> 'a list -> 'a list list

groupByPred': Alternate implementation of groupByPred.

val unsnoc : 'a list -> 'a list * 'a

unsnoc list: Partition list into its last element and all the others.

returns
(others, lastElem)

val unsnoc_opt : 'a list -> ('a list * 'a) option

unsnoc_opt list: Partition list into its last element and all the others.

returns
Some (others, lastElem) or None if the list is empty.

val last : 'a list -> 'a

last list: Return the last element of a list

val last_opt : 'a list -> 'a option

last_opt list: Return the last element of a list, or None if the list is empty.

val curtail : 'a list -> 'a list

curtail list: Return a copy of the list with the last element removed.

val difference : 'a list -> 'a list -> 'a list

val remove_all : 'a list -> 'a list -> 'a list

val subset : 'a list -> 'a list -> bool

val less_to_cmp : ('a -> 'a -> bool) -> 'a -> 'a -> int

Convert a (bivalent) less-than function into a (three-valued) comparison function.

val has_duplicates : 'a list -> bool

Checks whether list contains duplicates

val unduplicate : ('a -> 'a -> bool) -> 'a list -> 'a list

Remove duplicates from a list, using the given relation to determine `duplicates'

val collect_duplicates : ('a -> 'a -> bool) -> 'a list -> 'a list

Collects only elements which are duplicate in the original list.

val ordered_consecutive : int list -> bool

val drop : int -> 'a list -> 'a list

val take : int -> 'a list -> 'a list

val remove : 'a -> 'a list -> 'a list

val concat_map : ('a -> 'b list) -> 'a list -> 'b list

val concat_map_uniq : ('a -> 'b list) -> 'a list -> 'b list

val concat_map_undup : 
  ('a -> 'a -> bool) ->
  ('b -> 'a list) ->
  'b list ->
  'a list

val for_each : 'a list -> ('a -> unit) -> unit

val push_back : 'a -> 'a list Stdlib.ref -> unit

val push_front : 'a -> 'a list Stdlib.ref -> unit

val split3 : ('a * 'b * 'c) list -> 'a list * 'b list * 'c list

val split4 : ('a * 'b * 'c * 'd) list -> 'a list * 'b list * 'c list * 'd list

val drop_nth : 'a list -> int -> 'a list

val filter_map : ('a -> bool) -> ('a -> 'b) -> 'a list -> 'b list

exception Lists_length_mismatch

val filter_map2 : 
  (('a * 'b) -> bool) ->
  (('a * 'b) -> 'c) ->
  'a list ->
  'b list ->
  'c list

Filter on two lists and map them together. Equivalent to map -<- filter -<- zip precondition: the two lists must be the same length

val map_filter : ('a -> 'b) -> ('b -> bool) -> 'a list -> 'b list

val print_list : string list -> string

val zip : 'a list -> 'b list -> ('a * 'b) list

val zip_with : ('a -> 'b -> 'c) -> 'a list -> 'b list -> 'c list

val split_with : ('a -> 'b * 'c) -> 'a list -> 'b list * 'c list

val zip' : 'a list -> 'b list -> ('a * 'b) list

val zip_with' : ('a -> 'b -> 'c) -> 'a list -> 'b list -> 'c list

val transpose : 'a list list -> 'a list list

module AList : sig ... end

include module type of struct include AList end

Association-list utilities

val rassoc_eq : ('b -> 'b -> bool) -> 'b -> ('a * 'b) list -> 'a

val rassoc : 'a -> ('b * 'a) list -> 'b

val rassq : 'a -> ('b * 'a) list -> 'b

val rremove_assoc_eq : 
  ('b -> 'b -> bool) ->
  'b ->
  ('a * 'b) list ->
  ('a * 'b) list

val rremove_assoc : 'a -> ('b * 'a) list -> ('b * 'a) list

val rremove_assq : 'a -> ('b * 'a) list -> ('b * 'a) list

val remove_keys : ('a * 'b) list -> 'a list -> ('a * 'b) list

val alistmap : ('a -> 'b) -> ('c * 'a) list -> ('c * 'b) list

alistmap maps f on the contents-parts of the entries, producing a new alist

val show_fgraph : ?glue:string -> (string -> string) -> string list -> string

val alistmap' : (('a * 'b) -> 'c) -> ('a * 'b) list -> ('a * 'c) list

alistmap' produces an alist by applying f to each element of the alist--f should produce a new contents-part for the entry.

val map2alist : ('a -> 'b) -> 'a list -> ('a * 'b) list

[map2alist f list] makes an alist that maps [x] to [f x] for each item in [list]. This is called the `graph' of f on the domain list.

val graph_func : ('a -> 'b) -> 'a list -> ('a * 'b) list

val range : ('a * 'b) list -> 'b list

val dom : ('a * 'b) list -> 'a list

val lookup_in : ('a * 'b) list -> 'a -> 'b

lookup_in alist is a function that looks up its argument in alist

val lookup : 'a -> ('a * 'b) list -> 'b option

lookup is like assoc but uses option types instead of exceptions to signal absence

module StringUtils : sig ... end

include module type of struct include StringUtils end

Strings

val string_of_char : char -> string

val string_of_alist : (string * string) list -> string

val split_string : string -> char -> string list

val split : char -> string -> string list

val explode : string -> char list

val is_numeric : string -> bool

val implode : char list -> string

val contains : (char -> bool) -> string -> bool

val find_char : bytes -> char -> int list

val mapstrcat : string -> ('a -> string) -> 'a list -> string

val string_starts_with : string -> string -> bool

val start_of : is:string -> string -> bool

val end_of : is:string -> string -> bool

val count : char -> string -> int

val replace : string -> string -> string -> string

val groupingsToString : ('a -> string) -> 'a list list -> string

Given a list-of-lists, groupingsToString concatenates them using ", " as the delimiter between elements and "; " as the delimiter between lists.

val numberp : string -> bool

File I/O utilities

val lines : Stdlib.in_channel -> string list

val call_with_open_infile : 
  string ->
  ?binary:bool ->
  (Stdlib.in_channel -> 'a) ->
  'a

val call_with_open_outfile : 
  string ->
  ?binary:bool ->
  (Stdlib.out_channel -> 'a) ->
  'a

val process_output : string -> string

val filter_through : command:string -> string -> string

val newer : string -> string -> bool

Is f1 strictly newer than f2, in terms of modification time?

val absolute_path : string -> string

Given a path name, possibly relative to CWD, return an absolute path to the same file.

val getuid_owns : string -> bool

Is the UID of the process is the same as that of the file's owner?

3-way assoc-list

val mem_assoc3 : 'a -> ('a * 'b * 'c) list -> bool

type ('a, 'b) either =

| Left of 'a
| Right of 'b

either type

val pp_either : 
  'a 'b. (Ppx_deriving_runtime.Format.formatter ->
           'a ->
           Ppx_deriving_runtime.unit) ->
  (Ppx_deriving_runtime.Format.formatter -> 'b -> Ppx_deriving_runtime.unit) ->
  Ppx_deriving_runtime.Format.formatter ->
  ('a, 'b) either ->
  Ppx_deriving_runtime.unit

val show_either : 
  'a 'b. (Ppx_deriving_runtime.Format.formatter ->
           'a ->
           Ppx_deriving_runtime.unit) ->
  (Ppx_deriving_runtime.Format.formatter -> 'b -> Ppx_deriving_runtime.unit) ->
  ('a, 'b) either ->
  Ppx_deriving_runtime.string

val inLeft : 'a -> ('a, 'b) either

val inRight : 'a -> ('b, 'a) either

val fromLeft : ('a, 'b) either -> 'a

val fromRight : ('a, 'b) either -> 'b

val either_partition : ('a -> ('b, 'c) either) -> 'a list -> 'b list * 'c list

This module isn't used but creates a dependency on deriving, which we would like to avoid module EitherMonad = Deriving_monad.MonadPlusUtils( struct type 'a m = (string, 'a) either let return v = Right v let (>>=) m k = match m with | Left _ as l -> l | Right r -> k r let fail msg = Left msg let (>>) x y = x >>= fun _ -> y let mzero = Left "no error" let mplus l r = match l with | Left _ -> r | m -> m end)*

module Queue : sig ... end

module OptionUtils : sig ... end

include module type of struct include OptionUtils end

exception EmptyOption

val val_of : 'a option -> 'a

val is_some : 'a option -> bool

val opt_app : ('a -> 'b) -> 'b -> 'a option -> 'b

val opt_map : ('a -> 'b) -> 'a option -> 'b option

val opt_bind : ('a -> 'b option) -> 'a option -> 'b option

val opt_split : ('a * 'b) option -> 'a option * 'b option

val opt_iter : ('a -> 'b) -> 'a option -> unit

val from_option : 'a -> 'a option -> 'a

val perhaps_apply : ('a -> 'a option) -> 'a -> 'a

val opt_as_list : 'a option -> 'a list

val opt_sequence : 'a option list -> 'a list option

val some : 'a -> 'a option

val (>>=?) : 'a option -> ('a -> 'b option) -> 'b option

val (||=?) : 'a option -> 'a option -> 'a option

val (>>==?) : 'a list -> ('a -> 'a option) -> 'a list option

val map_tryPick : 
  (StringMap.key -> 'a -> 'b option) ->
  'a StringMap.t ->
  'b option

val list_tryPick : ('a -> 'b option) -> 'a list -> 'b option

Character Encoding

Read a three-digit octal escape sequence and return the corresponding char

val read_octal : string -> char

val read_hex : string -> char

val escape_regexp : Notfound.Str.regexp

Handle escape sequences in string literals.

val decode_escapes : string -> string

val xml_escape : string -> string

xml_escape, xml_unescape Escape/unescape for XML escape sequences (e.g. &)

val xml_unescape : string -> string

val base64decode : string -> string

(0 base64 Routines)

val base64encode : string -> string

val gensym_counter : int Stdlib.ref

val gensym : ?prefix:string -> unit -> string

Any two calls to gensym return distinct strings. The optional prefix argument can be used to supply a prefix for the string.

val pair_fresh_names : ?prefix:string -> 'a list -> ('a * string) list

gensym a new symbol for each item in the list and return the pairs of each item with its new name, always using the optional prefix argument as the prefix if given. The "graph" of the gensym function, if you will.

val refresh_names : string list -> (string * string) list

Given a list of names, generate a fresh name for each and pair the old name with the new one.

val any_true : bool list -> bool

Return true if any element of the given list is true

System interaction

val getenv : string -> string option

Get an environment variable, return Some x if it is defined as x, or None if it is not in the environment.

val safe_getenv : string -> string

Get an environment variable, return its value if it is defined, or raise an exception if it is not in the environment.

module Buffer = Notfound.Buffer

module Hashtbl = Notfound.Hashtbl

module List = Notfound.List

module ListLabels = Notfound.ListLabels

module MoreLabels = Notfound.MoreLabels

module Str = Notfound.Str

module StringLabels = Notfound.StringLabels

module Sys = Notfound.Sys

module Unix = Notfound.Unix

module UnixLabels = Notfound.UnixLabels

module Printexc = Notfound.Printexc

exception NotFound of string

val pow : int -> int -> int

the integer power function

val string_of_float' : float -> string

string of float with a trailing 0

val time_seconds : unit -> int

val time_milliseconds : unit -> int

val time_microseconds : unit -> int

val strip_leading_slash : string -> string

val strip_trailing_slash : string -> string

val strip_slashes : string -> string

val format_omission : Stdlib.Format.formatter -> unit

module Disk : sig ... end

module type GLOB_POLICY = sig ... end

module DefaultPolicy : GLOB_POLICY

module Glob : sig ... end

val locate_file : string -> string

module LwtHelpers : sig ... end

module PolyBuffer : sig ... end

module CalendarShow : sig ... end

module UnixTimestamp : sig ... end

package links