urbit/pkg/arvo/lib/tree.hoon
fang a539d986a7
various: move away from {type} syntax
In favor of [type] syntax.
Turns a bunch of ++ into +$ along the way.
2020-11-26 17:43:26 +01:00

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::
:::: /hoon/tree/lib
::
/? 314
::
|%
++ getall :: search in manx
|= tag=(list mane)
|= ele=manx ^- marl
?: (lien tag |=(a=mane =(a n.g.ele)))
~[ele]
(zing (turn c.ele ..$))
::
:: a.b_c.d => [[%a %b] [%c %d]]
:: a.b_c, a_b__c => [[%a %b] %c]
:: a_b_c, a__b_c => [%a [%b %c]]
++ read-schem :: decode gapped noun
=< (cook to-noun (cook build-grove apex))
|%
++ noun $@(term [noun noun]) :: shadow
:: improper list of possible entry points
++ grove $@(term [gap=@ sealed=noun pending=grove])
++ apex ;~(plug sym (star ;~(plug delim sym)))
++ delim ;~(pose (cold 0 dot) (cook lent (plus cab)))
++ to-noun |=(a=grove ?@(a a [sealed.a $(a pending.a)]))
++ build-grove
|= [a=grove b=(list [p=@u q=term])] ^- grove
%+ roll b =< .(acc a)
|= [[gap=@u v=term] acc=grove] ^- grove
?@ acc [gap acc v]
?: (gth gap gap.acc) [gap (to-noun acc) v]
acc(pending $(acc pending.acc))
--
--