package irmin

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Commit Store

package irmin

irmin
- Irmin
  - AO
  - AO_MAKER
    
    K
    
    V
  - AO_MAKER_RAW
    
    K
    
    V
  - BC
    
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    Private
    
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  - HRW
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  - LINK
  - LINK_MAKER
    
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  - Make
    
    AO
    
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    HISTORY
    
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    STORE
    
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  - RAW
  - RO
  - RRW
  - RW
  - RW_MAKER
    
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    V
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    S
    
    STORE
    
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  - SYNC
  - S_MAKER
    
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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
    
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    Step
    
    H
    
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    IO
    
    L
    
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    Key
    
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    Contents
    
    Key
    
    Val
    
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    Key
    
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    Key
    
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    Slice
    
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  - Make_ext
    
    C
    
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    Key
    
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  - 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
    
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    Private
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Val
    
    Node
    
    Key
    
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    Ref
    
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  - RW
    
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    V

Legend:
Library
Module
Module type
Parameter
Class
Class type

Commit Store

include AO

Append-only stores

include RO

Read-only stores

type t

Type for stores.

type key

Type for keys.

type value

Type for values.

val read : t -> key -> value option Lwt.t

Read a value from the store.

val read_exn : t -> key -> value Lwt.t

Same as read but raise Invalid_argument if the key does not exist.

val mem : t -> key -> bool Lwt.t

Check if a key exists.

val iter : t -> (key -> value Lwt.t -> unit Lwt.t) -> unit Lwt.t

iter t fn call the function fn on all t's keys and values.

val add : t -> value -> key Lwt.t

Write the contents of a value to the store. It's the responsibility of the append-only store to generate a consistent key.

module Key : Hash.S with type t = key

Key provides base functions for commit keys.

module Val : 
  S with type t = value and type commit := key with type node = N.key

Val provides functions for commit values.