package octez-l2-libs
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doc/octez-l2-libs.layer2_store/Tezos_layer2_store/Delayed_write_monad/index.html
Module Tezos_layer2_store.Delayed_write_monadSource
Monad for values with delayed write effects
Type to encapsulate values with a callback that should write to disk. This allows to delay some writes to a location where we have write access to the context.
no_write v returns v together with a write function that does nothing.
val delay_write :
'a ->
('store -> unit Tezos_base.TzPervasives.tzresult Lwt.t) ->
('a, 'store) tdelay_write v write returns a delayed write version of v with the write function to be called later.
map f dw returns the delayed write dw where f is applied to the encapsulated value.
val map_es :
('a -> ('b, 'c) result Lwt.t) ->
('a, 'store) t ->
(('b, 'store) t, 'c) result Lwt.tmap_es is like map in the Lwt result monad.
bind f dw returns a delayed write value where f is applied to the encapsulated value and the write effects of f are added to the effects of dw.
apply node_ctxt dw applies the write effects on the context node_ctxt and returns the encapsulated value.
ignore dw ignores the write effects and returns the encapsulated value.