package irmin-pack

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Irmin backend which stores values in a pack file

Install

Dune Dependency

github.com Readme Changelog ISC License Edit opam file Versions (9)

Authors

T

Thomas Gazagnaire

Maintainers

T

thomas@gazagnaire.org

Sources

irmin-2.7.2.tbz

sha256=29c68c5001a727aaa7a6842d6204ffa3e24b3544fa4f6af2234cdbfa032f7fdf

sha512=87254dfe640619b678a95c211435c0deaaaac8bec50bba711757dd610c9fe6d9a80938399b7e2bb7bc813116eebc82bf3474b281d1afcd1031586f3d51579925

doc/irmin-pack.layered/Irmin_pack_layered/Maker/Private/Commit/Node/index.html

Module `Commit.Node`

Node is the underlying node store.

Content-addressable stores

Content-addressable stores are store where it is possible to read and add new values. Keys are derived from the values raw contents and hence are deterministic.

type -'a t

The type for content-addressable backend stores. The 'a phantom type carries information about the store mutability.

type key = Val.hash

The type for keys.

type value

The type for raw values.

val mem : [> Irmin__.Import.read ] t -> key -> bool Lwt.t

mem t k is true iff k is present in t.

val find : [> Irmin__.Import.read ] t -> key -> value option Lwt.t

find t k is Some v if k is associated to v in t and None is k is not present in t.

val add : [> Irmin__.Import.write ] t -> value -> key Lwt.t

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

val unsafe_add : [> Irmin__.Import.write ] t -> key -> value -> unit Lwt.t

Same as add but allows to specify the key directly. The backend might choose to discared that key and/or can be corrupt if the key scheme is not consistent.

val clear : 'a t -> unit Lwt.t

Clear the store. This operation is expected to be slow.

module Path : sig ... end

Path provides base functions on node paths.

val merge : [> Irmin__.Import.read_write ] t -> key option Irmin__.Merge.t

merge is the 3-way merge function for nodes keys.

module Key : sig ... end

Key provides base functions for node keys.

module Metadata : sig ... end

Metadata provides base functions for node metadata.

module Val : sig ... end

Val provides base functions for node values.

module Contents : sig ... end

Contents is the underlying contents store.

On This Page

Content-addressable stores