urbit/pkg/garden-dev/lib/mip.hoon

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2021-09-10 07:37:17 +03:00
|%
++ mip :: map of maps
|$ [kex key value]
(map kex (map key value))
::
++ bi :: mip engine
=| a=(map * (map))
|@
++ del
|* [b=* c=*]
=+ d=(~(gut by a) b ~)
=+ e=(~(del by d) c)
?~ e
(~(del by a) b)
(~(put by a) b e)
::
++ get
|* [b=* c=*]
=> .(b `_?>(?=(^ a) p.n.a)`b, c `_?>(?=(^ a) ?>(?=(^ q.n.a) p.n.q.n.a))`c)
^- (unit _?>(?=(^ a) ?>(?=(^ q.n.a) q.n.q.n.a)))
(~(get by (~(gut by a) b ~)) c)
::
++ got
|* [b=* c=*]
(need (get b c))
::
++ gut
|* [b=* c=* d=*]
(~(gut by (~(gut by a) b ~)) c d)
::
++ has
|* [b=* c=*]
!=(~ (get b c))
::
++ key
|* b=*
~(key by (~(gut by a) b ~))
::
++ put
|* [b=* c=* d=*]
%+ ~(put by a) b
%. [c d]
%~ put by
(~(gut by a) b ~)
::
++ tap
::NOTE naive turn-based implementation find-errors ):
=< $
=+ b=`_?>(?=(^ a) *(list [x=_p.n.a _?>(?=(^ q.n.a) [y=p v=q]:n.q.n.a)]))`~
|. ^+ b
?~ a
b
$(a r.a, b (welp (turn ~(tap by q.n.a) (lead p.n.a)) $(a l.a)))
--
--