package irmin

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Parameters
Signature
Watch Helpers

package irmin

irmin
- Irmin
  - AO
  - AO_MAKER
    
    K
    
    V
  - AO_MAKER_RAW
    
    K
    
    V
  - BC
    
    History
    
    E
    
    V
    
    Repo
  - Contents
    
    Cstruct
    
    Json
    
    Make
    
    Key
    
    S
    
    Key
    
    Val
    
    Path
    
    Step
    
    Val
    
    S
    
    Path
    
    Step
    
    STORE
    
    Key
    
    Path
    
    Step
    
    Val
    
    String
  - Dot
    
    S
    
    Hash
    
    History
    
    E
    
    V
    
    Key
    
    Step
    
    Private
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
    Slice
    
    Sync
    
    Ref
    
    Repo
    
    Val
    
    Path
    
    Step
  - HRW
  - Hash
    
    S
    
    SHA1
  - Hum
    
    S
  - LINK
  - LINK_MAKER
    
    K
  - Make
    
    AO
    
    K
    
    V
    
    C
    
    Path
    
    Step
    
    H
    
    Hash
    
    History
    
    E
    
    V
    
    Private
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
    Slice
    
    Sync
    
    R
    
    RW
    
    K
    
    V
    
    Ref
    
    Repo
    
    Val
    
    Path
    
    Step
  - Make_ext
    
    Hash
    
    History
    
    E
    
    V
    
    Key
    
    Step
    
    P
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Path
    
    Step
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
    Slice
    
    Sync
    
    Private
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
    Slice
    
    Sync
    
    Ref
    
    Repo
    
    Val
    
    Path
    
    Step
  - Merge
    
    MSet
    
    M
    
    Map
    
    M
    
    X
    
    OP
    
    Result
  - Path
    
    S
    
    Step
    
    String_list
    
    Step
  - Private
    
    Commit
    
    HISTORY
    
    Store
    
    Key
    
    Val
    
    History
    
    N
    
    Key
    
    Path
    
    Step
    
    Val
    
    S
    
    Key
    
    Val
    
    Store
    
    Key
    
    Val
    
    Make
    
    C
    
    N
    
    S
    
    STORE
    
    Key
    
    Val
    
    Conf
    
    Lock
    
    Make
    
    K
    
    S
    
    Node
    
    GRAPH
    
    Store
    
    Key
    
    Path
    
    Step
    
    Val
    
    Graph
    
    C
    
    Key
    
    Path
    
    Step
    
    Val
    
    S
    
    Key
    
    Val
    
    Store
    
    Key
    
    Path
    
    Step
    
    Val
    
    Make
    
    C
    
    N
    
    P
    
    Step
    
    S
    
    STORE
    
    Key
    
    Path
    
    Step
    
    Val
    
    S
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Path
    
    Step
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
    Slice
    
    Sync
    
    Slice
    
    Make
    
    C
    
    Key
    
    Path
    
    Step
    
    Val
    
    H
    
    Key
    
    Val
    
    N
    
    Key
    
    Path
    
    Step
    
    Val
    
    S
    
    Sync
    
    None
    
    H
    
    R
    
    S
    
    Watch
    
    Make
    
    K
    
    V
    
    S
  - RAW
  - RO
  - RRW
  - RW
  - RW_MAKER
    
    K
    
    V
  - Ref
    
    S
    
    STORE
    
    Key
    
    Val
    
    String
  - S
    
    Hash
    
    History
    
    E
    
    V
    
    Key
    
    Step
    
    Private
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
    Slice
    
    Sync
    
    Ref
    
    Repo
    
    Val
    
    Path
    
    Step
  - SYNC
  - S_MAKER
    
    C
    
    Path
    
    Step
    
    H
    
    Hash
    
    History
    
    E
    
    V
    
    Private
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
    Slice
    
    Sync
    
    R
    
    Ref
    
    Repo
    
    Val
    
    Path
    
    Step
  - Sync
    
    S
    
    Hash
    
    History
    
    E
    
    V
    
    Key
    
    Step
    
    Private
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
    Slice
    
    Sync
    
    Ref
    
    Repo
    
    Val
    
    Path
    
    Step
  - Task
  - VIEW
    
    Action
  - View
    
    Action
    
    S
    
    Hash
    
    History
    
    E
    
    V
    
    Key
    
    Step
    
    Private
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
    Slice
    
    Sync
    
    Ref
    
    Repo
    
    Val
    
    Path
    
    Step
irmin.fs
- Irmin_fs
  - AO
    
    IO
    
    K
    
    V
  - AO_ext
    
    C
    
    IO
    
    K
    
    V
  - Config
  - IO
  - LOCK
  - Link
    
    IO
    
    K
  - Link_ext
    
    C
    
    IO
    
    K
  - Make
    
    C
    
    Path
    
    Step
    
    H
    
    Hash
    
    History
    
    E
    
    V
    
    IO
    
    L
    
    Private
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
    Slice
    
    Sync
    
    R
    
    Ref
    
    Repo
    
    Val
    
    Path
    
    Step
  - Make_ext
    
    C
    
    Path
    
    Step
    
    H
    
    Hash
    
    History
    
    E
    
    V
    
    IO
    
    L
    
    Obj
    
    Private
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
    Slice
    
    Sync
    
    R
    
    Ref
    
    Repo
    
    Val
    
    Path
    
    Step
  - RW
    
    IO
    
    K
    
    L
    
    V
  - RW_ext
    
    C
    
    IO
    
    K
    
    L
    
    V
irmin.mem
- Irmin_mem
  - AO
    
    K
    
    V
  - Link
    
    K
  - Make
    
    C
    
    Path
    
    Step
    
    H
    
    Hash
    
    History
    
    E
    
    V
    
    Private
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
    Slice
    
    Sync
    
    R
    
    Ref
    
    Repo
    
    Val
    
    Path
    
    Step
  - RW
    
    K
    
    V

Legend:
Library
Module
Module type
Parameter
Class
Class type

Make builds an implementation of watch helpers.

Parameters

module K : Tc.S0

module V : Tc.S0

Signature

Watch Helpers

type key = K.t

The type for store keys.

type value = V.t

The type for store values.

type watch

The type for watch handlers.

type t

The type for watch state.

val stats : t -> int * int

stats t is a tuple (k,a) represeting watch stats. k is the number of single key watchers for the store t and a the number of global watchers for t.

val notify : t -> key -> value option -> unit Lwt.t

Notify all listeners in the given watch state that a key has changed, with the new value associated to this key. None means the key has been removed.

val create : unit -> t

Create a watch state.

val clear : t -> unit

Clear all register listeners in the given watch state.

val watch_key : 
  t ->
  key ->
  ?init:value ->
  (value diff -> unit Lwt.t) ->
  watch Lwt.t

Watch a given key for changes. More efficient than watch.

val watch : 
  t ->
  ?init:(key * value) list ->
  (key -> value diff -> unit Lwt.t) ->
  watch Lwt.t

Add a watch handler. To watch a specific key, use watch_key which is more efficient.

val unwatch : t -> watch -> unit Lwt.t

Remove a watch handler.

val listen_dir : 
  t ->
  string ->
  key:(string -> key option) ->
  value:(key -> value option Lwt.t) ->
  (unit -> unit) Lwt.t

Register a thread looking for changes in the given directory and return a function to stop watching and free up resources.