mirror of
https://github.com/urbit/shrub.git
synced 2024-12-24 03:14:30 +03:00
350 lines
8.9 KiB
Plaintext
350 lines
8.9 KiB
Plaintext
:: chat-store [landscape]:
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::
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:: data store that holds linear sequences of chat messages
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::
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/+ store=chat-store, default-agent, verb, dbug, group-store, *migrate
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~% %chat-store-top ..is ~
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|%
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+$ card card:agent:gall
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+$ versioned-state
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$% state-0
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state-1
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state-2
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state-3
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==
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::
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+$ state-0 [%0 =inbox:store]
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+$ state-1 [%1 =inbox:store]
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+$ state-2 [%2 =inbox:store]
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+$ state-3 [%3 =inbox:store]
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+$ admin-action
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$% [%trim ~]
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==
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--
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::
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=| state-3
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=* state -
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::
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%- agent:dbug
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%+ verb |
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^- agent:gall
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=<
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~% %chat-store-agent-core ..peek-x-envelopes ~
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|_ =bowl:gall
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+* this .
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chat-core +>
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cc ~(. chat-core bowl)
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def ~(. (default-agent this %|) bowl)
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::
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++ on-init on-init:def
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++ on-save !>(state)
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++ on-load
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|= old-vase=vase
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^- (quip card _this)
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|^
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=/ old !<(versioned-state old-vase)
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=| cards=(list card)
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|-
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^- (quip card _this)
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?- -.old
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%3 [cards this(state old)]
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::
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%2
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=/ =inbox:store
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(migrate-path-map:group-store inbox.old)
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=/ kick-paths
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%~ tap in
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%+ roll
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~(val by sup.bowl)
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|= [[=ship sub=path] subs=(set path)]
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^- (set path)
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?. ?=([@ @ *] sub)
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subs
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?. &(=(%mailbox i.sub) =('~' i.t.sub))
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subs
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(~(put in subs) sub)
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=? cards ?=(^ kick-paths)
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:_ cards
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[%give %kick kick-paths ~]
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$(old [%3 inbox])
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::
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?(%0 %1) $(old (old-to-2 inbox.old))
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::
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==
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::
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++ old-to-2
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|= =inbox:store
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^- state-2
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:- %2
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%- ~(run by inbox)
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|= =mailbox:store
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^- mailbox:store
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[config.mailbox (flop envelopes.mailbox)]
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--
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::
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++ on-poke
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~/ %chat-store-poke
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|= [=mark =vase]
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^- (quip card _this)
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?> (team:title our.bowl src.bowl)
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=^ cards state
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?+ mark (on-poke:def mark vase)
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%json (poke-json:cc !<(json vase))
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%chat-action (poke-chat-action:cc !<(action:store vase))
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%noun [~ (poke-noun:cc !<(admin-action vase))]
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%import (poke-import:cc q.vase)
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==
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[cards this]
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::
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++ on-watch
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~/ %chat-store-watch
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|= =path
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^- (quip card _this)
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|^
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?> (team:title our.bowl src.bowl)
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=/ cards=(list card)
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?+ path (on-watch:def path)
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[%keys ~] (give %chat-update !>([%keys ~(key by inbox)]))
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[%all ~] (give %chat-update !>([%initial inbox]))
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[%updates ~] ~
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[%mailbox @ *]
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?> (~(has by inbox) t.path)
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(give %chat-update !>([%create t.path]))
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==
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[cards this]
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::
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++ give
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|= =cage
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^- (list card)
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[%give %fact ~ cage]~
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--
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::
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++ on-leave on-leave:def
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++ on-peek
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~/ %chat-store-peek
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|= =path
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^- (unit (unit cage))
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?+ path (on-peek:def path)
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[%x %all ~] ``noun+!>(inbox)
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[%x %keys ~] ``noun+!>(~(key by inbox))
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[%x %envelopes *] (peek-x-envelopes:cc t.t.path)
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[%x %mailbox *]
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?~ t.t.path
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~
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``noun+!>((~(get by inbox) t.t.path))
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::
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[%x %config *]
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?~ t.t.path
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~
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=/ mailbox (~(get by inbox) t.t.path)
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?~ mailbox
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~
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``noun+!>(config.u.mailbox)
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::
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[%x %export ~]
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``noun+!>(state)
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==
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::
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++ on-agent on-agent:def
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++ on-arvo on-arvo:def
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++ on-fail on-fail:def
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--
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::
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::
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~% %chat-store-library ..card ~
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|_ bol=bowl:gall
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::
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++ peek-x-envelopes
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|= pax=path
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^- (unit (unit [%noun vase]))
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?+ pax ~
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[@ @ *]
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=/ mail-path t.t.pax
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=/ mailbox (~(get by inbox) mail-path)
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?~ mailbox
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[~ ~ %noun !>(~)]
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=* envelopes envelopes.u.mailbox
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=/ sign-test=[?(%neg %pos) @]
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%- need
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%+ rush i.pax
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;~ pose
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%+ cook
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|= n=@
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[%neg n]
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;~(pfix hep dem:ag)
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::
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%+ cook
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|= n=@
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[%pos n]
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dem:ag
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==
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=* length length.config.u.mailbox
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=* start +.sign-test
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?: =(-.sign-test %neg)
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?: (gth start length)
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[~ ~ %noun !>(envelopes)]
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[~ ~ %noun !>((swag [(sub length start) start] envelopes))]
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::
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=/ end (slav %ud i.t.pax)
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?. (lte start end)
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~
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=. end ?:((lth end length) end length)
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[~ ~ %noun !>((swag [start (sub end start)] envelopes))]
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==
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::
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++ poke-noun
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|= nou=admin-action
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^- _state
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~& %trimming-chat-store
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%_ state
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inbox
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%- ~(urn by inbox)
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|= [=path mailbox:store]
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^- mailbox:store
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=/ [a=* out=(list envelope:store)]
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%+ roll envelopes
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|= $: =envelope:store
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o=[[hav=(set serial:store) curr=@] out=(list envelope:store)]
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==
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?: (~(has in hav.o) uid.envelope)
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[[hav.o curr.o] out.o]
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:-
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^- [(set serial:store) @]
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[(~(put in hav.o) uid.envelope) +(curr.o)]
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^- (list envelope:store)
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[envelope(number curr.o) out.o]
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=/ len (lent out)
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~? !=(len (lent envelopes)) [path [%old (lent envelopes)] [%new len]]
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[[len len] (flop out)]
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==
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::
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++ poke-json
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|= jon=json
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^- (quip card _state)
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(poke-chat-action (action:dejs:store jon))
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::
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++ poke-chat-action
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|= =action:store
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^- (quip card _state)
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?- -.action
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%create (handle-create action)
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%delete (handle-delete action)
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%read (handle-read action)
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%messages (handle-messages action)
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%message
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?. =(our.bol author.envelope.action)
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(handle-message action)
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=^ message-moves state (handle-message action)
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=^ read-moves state (handle-read [%read path.action])
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[(weld message-moves read-moves) state]
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==
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::
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++ poke-import
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|= arc=*
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^- (quip card _state)
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=/ sty=state-3 [%3 (remake-map ;;((tree [path mailbox:store]) +.arc))]
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[~ sty]
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::
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++ handle-create
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|= =action:store
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^- (quip card _state)
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?> ?=(%create -.action)
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?: (~(has by inbox) path.action) [~ state]
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:- (send-diff path.action action)
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state(inbox (~(put by inbox) path.action *mailbox:store))
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::
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++ handle-delete
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|= =action:store
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^- (quip card _state)
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?> ?=(%delete -.action)
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=/ mailbox=(unit mailbox:store)
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(~(get by inbox) path.action)
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?~ mailbox [~ state]
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:- (send-diff path.action action)
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state(inbox (~(del by inbox) path.action))
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::
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++ handle-message
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|= =action:store
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^- (quip card _state)
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?> ?=(%message -.action)
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=/ mailbox=(unit mailbox:store)
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(~(get by inbox) path.action)
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?~ mailbox
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[~ state]
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=. letter.envelope.action (evaluate-letter [author letter]:envelope.action)
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=^ envelope u.mailbox (prepend-envelope u.mailbox envelope.action)
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:_ state(inbox (~(put by inbox) path.action u.mailbox))
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(send-diff path.action action(envelope envelope))
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::
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++ handle-messages
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|= act=action:store
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^- (quip card _state)
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?> ?=(%messages -.act)
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=/ mailbox=(unit mailbox:store)
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(~(get by inbox) path.act)
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?~ mailbox
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[~ state]
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=. envelopes.act (flop envelopes.act)
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=| evaluated-envelopes=(list envelope:store)
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|- ^- (quip card _state)
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?~ envelopes.act
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:_ state(inbox (~(put by inbox) path.act u.mailbox))
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%+ send-diff path.act
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[%messages path.act 0 (lent evaluated-envelopes) evaluated-envelopes]
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=. letter.i.envelopes.act (evaluate-letter [author letter]:i.envelopes.act)
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=^ envelope u.mailbox (prepend-envelope u.mailbox i.envelopes.act)
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=. evaluated-envelopes [envelope evaluated-envelopes]
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$(envelopes.act t.envelopes.act)
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::
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++ handle-read
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|= act=action:store
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^- (quip card _state)
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?> ?=(%read -.act)
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=/ mailbox=(unit mailbox:store) (~(get by inbox) path.act)
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?~ mailbox
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[~ state]
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=. read.config.u.mailbox length.config.u.mailbox
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:- (send-diff path.act act)
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state(inbox (~(put by inbox) path.act u.mailbox))
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::
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++ evaluate-letter
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|= [author=ship =letter:store]
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^- letter:store
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=? letter
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?& ?=(%code -.letter)
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?=(~ output.letter)
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(team:title our.bol author)
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==
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=/ =hoon (ream expression.letter)
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letter(output (eval:store bol hoon))
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letter
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::
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++ prepend-envelope
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|= [=mailbox:store =envelope:store]
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^+ [envelope mailbox]
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=. number.envelope +(length.config.mailbox)
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=: length.config.mailbox +(length.config.mailbox)
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envelopes.mailbox [envelope envelopes.mailbox]
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==
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[envelope mailbox]
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::
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++ update-subscribers
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|= [pax=path =update:store]
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^- (list card)
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[%give %fact ~[pax] %chat-update !>(update)]~
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::
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++ send-diff
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|= [pax=path upd=update:store]
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^- (list card)
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%- zing
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:~ (update-subscribers /all upd)
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(update-subscribers /updates upd)
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(update-subscribers [%mailbox pax] upd)
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?. |(|(=(%read -.upd) =(%message -.upd)) =(%messages -.upd))
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~
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?. |(=(%create -.upd) =(%delete -.upd))
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~
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(update-subscribers /keys upd)
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==
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--
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