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-3.4.1.tbz

sha256=922836116c30ec68068a38694a09bba521cf47edd0e4ae44e076b9b4963da180

sha512=30f6833157cab53cc285093d7f6a82492b9a3709c860160278b1e7b665a7640a0a4c6a0415df0c8127b3967a60146a6cbb99f1151476736afde6e2cf50a56890

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