package irmin

Overview
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in-package search v0.2.0

Irmin, a distributed database that follows the same design principles as Git

Install

Dune Dependency

github.com Edit opam file Versions (44)

Authors

Maintainers

T

thomas@gazagnaire.org

Sources

irmin-3.9.0.tbz

sha256=8e073abe1b5ffb5b6d58c32606c9d7dabc32c53501756be80a92ed4777ad51a0

sha512=70769a8d36520626fecd6f68e5f3abe6a0d67a65af915312206cc3f4da230df48512faee178aa6e899d3fb640b9340f6c92486185be5432a1a1a161c70386c99

doc/irmin.mem/Irmin_mem/Content_addressable/argument-1-Hash/index.html

Parameter `Content_addressable.Hash`

Signature for digest hashes, inspired by Digestif.

type t

The type for digest hashes.

val hash : ((string -> unit) -> unit) -> t

Compute a deterministic store key from a sequence of strings.

val short_hash : t -> int

short_hash h is a small hash of h, to be used for instance as the `hash` function of an OCaml Hashtbl.

val hash_size : int

hash_size is the size of hash results, in bytes.

val to_raw_string : t -> string

to_raw_string t is the raw sequence of bytes in t (of length hash_size).

val unsafe_of_raw_string : string -> t

unsafe_of_raw_string b is the hash consisting of the raw sequence of bytes b.

Warning: this function cannot guarantee that the supplied byte string is a valid output of the hash process, so should only be used on strings that are known to have been built with to_raw_string.

val short_hash_substring : Bigstringaf.t -> off:int -> int

short_hash_substring t off computes the short-hash of the raw hash data contained in t at offset off. It has behaviour equivalent to:

  Bigstringaf.substring t ~off ~len:hash_size
  |> unsafe_of_raw_string
  |> short_hash

but may be more efficient due to not needing to allocate an intermediate string.

Value Types

val t : t Irmin.Type.t

t is the value type for t.

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Value Types