package irmin

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Immutable Link stores

package irmin

irmin
- Irmin
  - AO
  - AO_MAKER
    
    K
    
    V
  - AO_MAKER_RAW
    
    K
    
    V
  - BC
    
    History
    
    E
    
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  - Contents
    
    Cstruct
    
    Json
    
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    Key
    
    S
    
    Key
    
    Val
    
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    Val
    
    S
    
    Path
    
    Step
    
    STORE
    
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    Val
    
    String
  - Dot
    
    S
    
    Hash
    
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    Private
    
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  - HRW
  - Hash
    
    S
    
    SHA1
  - Hum
    
    S
  - LINK
  - LINK_MAKER
    
    K
  - Make
    
    AO
    
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    C
    
    Path
    
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    H
    
    Hash
    
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    R
    
    RW
    
    K
    
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    Ref
    
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  - Make_ext
    
    Hash
    
    History
    
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  - Merge
    
    MSet
    
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    X
    
    OP
    
    Result
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    Step
    
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  - Private
    
    Commit
    
    HISTORY
    
    Store
    
    Key
    
    Val
    
    History
    
    N
    
    Key
    
    Path
    
    Step
    
    Val
    
    S
    
    Key
    
    Val
    
    Store
    
    Key
    
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    Make
    
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    STORE
    
    Key
    
    Val
    
    Conf
    
    Lock
    
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    K
    
    S
    
    Node
    
    GRAPH
    
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    Val
    
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    Key
    
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    Key
    
    Path
    
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    Make
    
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    S
    
    STORE
    
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    None
    
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    R
    
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    Make
    
    K
    
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    S
  - RAW
  - RO
  - RRW
  - RW
  - RW_MAKER
    
    K
    
    V
  - Ref
    
    S
    
    STORE
    
    Key
    
    Val
    
    String
  - S
    
    Hash
    
    History
    
    E
    
    V
    
    Key
    
    Step
    
    Private
    
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    Key
    
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    Repo
    
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  - SYNC
  - S_MAKER
    
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    Path
    
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    H
    
    Hash
    
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  - Task
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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
    
    Path
    
    Step
    
    H
    
    Hash
    
    History
    
    E
    
    V
    
    IO
    
    L
    
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    Commit
    
    Key
    
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    Contents
    
    Key
    
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    Slice
    
    Sync
    
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    Ref
    
    Repo
    
    Val
    
    Path
    
    Step
  - Make_ext
    
    C
    
    Path
    
    Step
    
    H
    
    Hash
    
    History
    
    E
    
    V
    
    IO
    
    L
    
    Obj
    
    Private
    
    Commit
    
    Key
    
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    Contents
    
    Key
    
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    Key
    
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    Repo
    
    Slice
    
    Sync
    
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    Ref
    
    Repo
    
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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
    
    E
    
    V
    
    Private
    
    Commit
    
    Key
    
    Val
    
    Contents
    
    Key
    
    Val
    
    Node
    
    Key
    
    Val
    
    Ref
    
    Key
    
    Val
    
    Repo
    
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    Ref
    
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    Val
    
    Path
    
    Step
  - RW
    
    K
    
    V

Legend:
Library
Module
Module type
Parameter
Class
Class type

Immutable Link store.

Immutable Link stores

The link store contains verified links between low-level keys. This is used to certify that a value can be accessed via different keys: because they have been obtained using different hash functions (SHA1 and SHA256 for instance) or because the value might have different but equivalent concrete representation (for instance a set might be represented as various equivalent trees).

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 -> key -> value -> unit Lwt.t

add t src dst add a link between the key src and the value dst.