package ppx_deriving

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Parameters
Signature

ppx_deriving.api
- Ppx_deriving
  - Arg
ppx_deriving.runtime
- Ppx_deriving_runtime
  - Array
  - Buffer
  - Bytes
  - Char
  - Format
  - Hashtbl
    
    HashedType
    
    Make
    
    H
    
    MakeSeeded
    
    H
    
    S
    
    SeededHashedType
    
    SeededS
  - Int32
  - Int64
  - LargeFile
  - Lazy
  - List
  - Map
    
    Make
    
    Ord
    
    OrderedType
    
    S
  - Nativeint
  - Pervasives
    
    LargeFile
  - Predef
  - Printexc
    
    Slot
  - Printf
  - Queue
  - Set
    
    Make
    
    Ord
    
    OrderedType
    
    S
  - Stack
  - String
  - Weak
    
    Make
    
    H
    
    S

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Class
Class type

Functor building an implementation of the hashtable structure. The functor Hashtbl.Make returns a structure containing a type key of keys and a type 'a t of hash tables associating data of type 'a to keys of type key. The operations perform similarly to those of the generic interface, but use the hashing and equality functions specified in the functor argument H instead of generic equality and hashing. Since the hash function is not seeded, the create operation of the result structure always returns non-randomized hash tables.

Parameters

module H : HashedType

Signature

type key = H.t

type 'a t

val create : int -> 'a t

val clear : 'a t -> unit

val reset : 'a t -> unit

val copy : 'a t -> 'a t

val add : 'a t -> key -> 'a -> unit

val remove : 'a t -> key -> unit

val find : 'a t -> key -> 'a

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

val replace : 'a t -> key -> 'a -> unit

val mem : 'a t -> key -> bool

val iter : (key -> 'a -> unit) -> 'a t -> unit

val filter_map_inplace : (key -> 'a -> 'a option) -> 'a t -> unit

val fold : (key -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b

val length : 'a t -> int

val stats : 'a t -> Hashtbl.statistics