Key_cache_syncinclude Key_cache.Syncmodule Disk_storable : sig ... endval read :
Key_cache.Spec.t list ->
( 'k, 'v ) Disk_storable.t ->
'k ->
('v * [> `Cache_hit | `Locally_generated ]) Core_kernel.Or_error.tval write :
Key_cache.Spec.t list ->
( 'k, 'v ) Disk_storable.t ->
'k ->
'v ->
unit Core_kernel.Or_error.t