Make (irmin-containers.Irmin_containers.Counter.Make)

Parameters

module Backend : Irmin.KV_maker

module Store : Irmin.KV

Content store of counter. All store related operations like branching, cloning, merging, etc are done through this module.

val inc : 
  ?by:int64 ->
  ?info:Store.Info.f ->
  path:Store.path ->
  Store.t ->
  unit Lwt.t

Increment the counter by the amount specified using by. If no value is specified, then by is assigned the value 1L.

val dec : 
  ?by:int64 ->
  ?info:Store.Info.f ->
  path:Store.path ->
  Store.t ->
  unit Lwt.t

Decrement the counter by the amount specified using by. If no value is specified, then by is assigned the value 1L.

val read : path:Store.path -> Store.t -> int64 Lwt.t

Read the value of the counter