package containers

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Hash combinators

package containers

containers
- CCArray
  - Infix
  - MONO_ARRAY
- CCArrayLabels
- CCBool
- CCChar
- CCEqual
  - Infix
- CCEqualLabels
  - Infix
- CCFloat
  - Infix
- CCFormat
  - Dump
- CCFun
  - Infix
  - Monad
    
    X
- CCHash
- CCHashtbl
  - Make
  - Poly
  - S
- CCHeap
  - Make
    
    E
  - Make_from_compare
    
    E
  - PARTIAL_ORD
  - S
  - TOTAL_ORD
- CCIO
  - File
- CCInt
  - Infix
- CCInt32
  - Infix
- CCInt64
  - Infix
- CCList
  - Assoc
  - Infix
  - MONAD
  - Ref
  - Traverse
    
    M
- CCListLabels
  - Assoc
  - Infix
  - MONAD
  - Ref
  - Traverse
    
    M
- CCMap
  - Make
  - S
- CCNativeint
  - Infix
- CCOpt
  - Infix
- CCOrd
  - Infix
- CCPair
- CCParse
  - Infix
  - U
- CCRandom
- CCRef
- CCResult
  - Infix
  - MONAD
  - Traverse
    
    M
- CCSeq
  - Infix
  - MONAD
  - Traverse
    
    M
- CCSet
  - Make
  - S
- CCSexp
  - Decoder
  - Make
    
    Decoder
    
    Sexp
- CCSexp_intf
  - S
    
    Decoder
  - SEXP
- CCSexp_lex
- CCShimsArrayLabels_
  - Floatarray
- CCShimsArray_
- CCShimsFormat_
- CCShimsFun_
- CCShimsInt_
- CCShimsList_
- CCShimsMkLet_
  - Make
    
    X
  - Make2
    
    X
  - S
  - S2
- CCShims_
- CCString
  - Find
  - Infix
  - Split
- CCStringLabels
  - Find
  - Infix
  - Split
- CCUtf8_string
- CCVector
- Containers
  - Hashtbl
    
    HashedType
    
    Make
    
    MakeSeeded
    
    H
    
    S
    
    SeededHashedType
    
    SeededS
- ContainersLabels
  - Hashtbl
    
    HashedType
    
    Make
    
    MakeSeeded
    
    H
    
    S
    
    SeededHashedType
    
    SeededS
containers.monomorphic
- CCMonomorphic
- CCMonomorphicShims_
containers.top
- Containers_top
containers.unix
- CCUnix
  - Infix

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Hash combinators

Definitions

type hash = int

A hash value is a positive integer.

type 'a t = 'a -> hash

A hash function for values of type 'a.

val const : hash -> _ t

const h hashes any value into h. Use with caution!.

val const0 : _ t

Always return 0. Useful for ignoring elements. Example: Hash.(pair string const0) will map pairs ("a", 1) and ("a", 2) to the same hash, but not the same as ("b", 1).

since 1.5

val int : int t

val bool : bool t

val char : char t

val int32 : int32 t

val int64 : int64 t

val nativeint : nativeint t

val slice : string -> int -> int t

slice s i len state hashes the slice i, …, i+len-1 of s into state.

val string : string t

val list : 'a t -> 'a list t

val array : 'a t -> 'a array t

val opt : 'a t -> 'a option t

val pair : 'a t -> 'b t -> ('a * 'b) t

val triple : 'a t -> 'b t -> 'c t -> ('a * 'b * 'c) t

val quad : 'a t -> 'b t -> 'c t -> 'd t -> ('a * 'b * 'c * 'd) t

val if_ : bool -> 'a t -> 'a t -> 'a t

Decide which hash function to use depending on the boolean.

val poly : 'a t

poly x is Hashtbl.hash x. The regular polymorphic hash function.

val list_comm : 'a t -> 'a list t

Commutative version of list. Lists that are equal up to permutation will have the same hash.

since 1.0

val array_comm : 'a t -> 'a array t

Commutative version of array. Arrays that are equal up to permutation will have the same hash.

since 1.0

Base hash combinators

val combine : 'a t -> hash -> 'a -> hash

val combine2 : hash -> hash -> hash

val combine3 : hash -> hash -> hash -> hash

val combine4 : hash -> hash -> hash -> hash -> hash

val combine5 : hash -> hash -> hash -> hash -> hash -> hash

since 2.1

val combine6 : hash -> hash -> hash -> hash -> hash -> hash -> hash

since 2.1

Iterators

type 'a iter = ('a -> unit) -> unit

type 'a gen = unit -> 'a option

val seq : 'a t -> 'a Stdlib.Seq.t t

val iter : 'a t -> 'a iter t

val gen : 'a t -> 'a gen t