mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-11-10 10:05:09 +03:00
671 lines
14 KiB
Plaintext
671 lines
14 KiB
Plaintext
!.
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=> %a50
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~% %a.50 ~ ~
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|%
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:: Types
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::
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+$ ship @p
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+$ life @ud
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+$ rift @ud
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+$ pass @
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+$ bloq @
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+$ step _`@u`1
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+$ bite $@(bloq [=bloq =step])
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+$ octs [p=@ud q=@]
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+$ mold $~(* $-(* *))
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++ unit |$ [item] $@(~ [~ u=item])
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++ list |$ [item] $@(~ [i=item t=(list item)])
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++ lest |$ [item] [i=item t=(list item)]
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++ tree |$ [node] $@(~ [n=node l=(tree node) r=(tree node)])
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++ pair |$ [head tail] [p=head q=tail]
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++ map
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|$ [key value]
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$| (tree (pair key value))
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|=(a=(tree (pair)) ?:(=(~ a) & ~(apt by a)))
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::
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++ set
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|$ [item]
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$| (tree item)
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|=(a=(tree) ?:(=(~ a) & ~(apt in a)))
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::
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++ jug |$ [key value] (map key (set value))
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::
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:: Bits
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::
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++ dec :: decrement
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~/ %dec
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|= a=@
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~_ leaf+"decrement-underflow"
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?< =(0 a)
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=+ b=0
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|- ^- @
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?: =(a +(b)) b
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$(b +(b))
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::
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++ add :: plus
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~/ %add
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|= [a=@ b=@]
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^- @
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?: =(0 a) b
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$(a (dec a), b +(b))
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::
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++ sub :: subtract
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~/ %sub
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|= [a=@ b=@]
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~_ leaf+"subtract-underflow"
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:: difference
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^- @
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?: =(0 b) a
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$(a (dec a), b (dec b))
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::
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++ mul :: multiply
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~/ %mul
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|: [a=`@`1 b=`@`1]
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^- @
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=+ c=0
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|-
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?: =(0 a) c
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$(a (dec a), c (add b c))
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::
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++ div :: divide
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~/ %div
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|: [a=`@`1 b=`@`1]
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^- @
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~_ leaf+"divide-by-zero"
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?< =(0 b)
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=+ c=0
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|-
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?: (lth a b) c
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$(a (sub a b), c +(c))
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::
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++ dvr :: divide w/remainder
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~/ %dvr
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|: [a=`@`1 b=`@`1]
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^- [p=@ q=@]
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[(div a b) (mod a b)]
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::
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++ mod :: modulus
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~/ %mod
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|: [a=`@`1 b=`@`1]
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^- @
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?< =(0 b)
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(sub a (mul b (div a b)))
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::
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++ bex :: binary exponent
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~/ %bex
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|= a=bloq
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^- @
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?: =(0 a) 1
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(mul 2 $(a (dec a)))
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::
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++ lsh :: left-shift
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~/ %lsh
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|= [a=bite b=@]
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=/ [=bloq =step] ?^(a a [a *step])
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(mul b (bex (mul (bex bloq) step)))
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::
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++ rsh :: right-shift
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~/ %rsh
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|= [a=bite b=@]
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=/ [=bloq =step] ?^(a a [a *step])
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(div b (bex (mul (bex bloq) step)))
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::
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++ con :: binary or
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~/ %con
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|= [a=@ b=@]
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=+ [c=0 d=0]
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|- ^- @
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?: ?&(=(0 a) =(0 b)) d
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%= $
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a (rsh 0 a)
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b (rsh 0 b)
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c +(c)
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d %+ add d
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%+ lsh [0 c]
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?& =(0 (end 0 a))
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=(0 (end 0 b))
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==
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==
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::
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++ dis :: binary and
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~/ %dis
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|= [a=@ b=@]
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=| [c=@ d=@]
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|- ^- @
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?: ?|(=(0 a) =(0 b)) d
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%= $
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a (rsh 0 a)
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b (rsh 0 b)
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c +(c)
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d %+ add d
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%+ lsh [0 c]
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?| =(0 (end 0 a))
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=(0 (end 0 b))
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==
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==
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::
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++ mix :: binary xor
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~/ %mix
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|= [a=@ b=@]
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^- @
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=+ [c=0 d=0]
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|-
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?: ?&(=(0 a) =(0 b)) d
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%= $
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a (rsh 0 a)
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b (rsh 0 b)
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c +(c)
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d (add d (lsh [0 c] =((end 0 a) (end 0 b))))
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==
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::
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++ lth :: less
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~/ %lth
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|= [a=@ b=@]
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^- ?
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?& !=(a b)
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|-
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?| =(0 a)
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?& !=(0 b)
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$(a (dec a), b (dec b))
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== == ==
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::
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++ lte :: less or equal
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~/ %lte
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|= [a=@ b=@]
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|(=(a b) (lth a b))
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::
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++ gte :: greater or equal
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~/ %gte
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|= [a=@ b=@]
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^- ?
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!(lth a b)
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::
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++ gth :: greater
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~/ %gth
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|= [a=@ b=@]
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^- ?
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!(lte a b)
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::
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++ swp :: naive rev bloq order
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~/ %swp
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|= [a=bloq b=@]
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(rep a (flop (rip a b)))
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::
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++ met :: measure
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~/ %met
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|= [a=bloq b=@]
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^- @
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=+ c=0
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|-
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?: =(0 b) c
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$(b (rsh a b), c +(c))
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::
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++ end :: tail
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~/ %end
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|= [a=bite b=@]
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=/ [=bloq =step] ?^(a a [a *step])
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(mod b (bex (mul (bex bloq) step)))
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::
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++ cat :: concatenate
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~/ %cat
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|= [a=bloq b=@ c=@]
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(add (lsh [a (met a b)] c) b)
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::
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++ cut :: slice
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~/ %cut
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|= [a=bloq [b=step c=step] d=@]
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(end [a c] (rsh [a b] d))
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::
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++ can :: assemble
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~/ %can
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|= [a=bloq b=(list [p=step q=@])]
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^- @
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?~ b 0
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(add (end [a p.i.b] q.i.b) (lsh [a p.i.b] $(b t.b)))
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::
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++ cad :: assemble specific
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~/ %cad
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|= [a=bloq b=(list [p=step q=@])]
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^- [=step @]
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:_ (can a b)
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|-
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?~ b
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0
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(add p.i.b $(b t.b))
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::
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++ rep :: assemble fixed
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~/ %rep
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|= [a=bite b=(list @)]
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=/ [=bloq =step] ?^(a a [a *step])
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=| i=@ud
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|- ^- @
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?~ b 0
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%+ add $(i +(i), b t.b)
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(lsh [bloq (mul step i)] (end [bloq step] i.b))
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::
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++ rip :: disassemble
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~/ %rip
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|= [a=bite b=@]
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^- (list @)
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?: =(0 b) ~
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[(end a b) $(b (rsh a b))]
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::
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::
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:: Lists
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::
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++ lent :: length
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~/ %lent
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|= a=(list)
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^- @
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=+ b=0
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|-
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?~ a b
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$(a t.a, b +(b))
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::
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++ slag :: suffix
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~/ %slag
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|* [a=@ b=(list)]
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|- ^+ b
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?: =(0 a) b
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?~ b ~
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$(b t.b, a (dec a))
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::
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++ snag :: index
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~/ %snag
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|* [a=@ b=(list)]
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|- ^+ ?>(?=(^ b) i.b)
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?~ b
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~_ leaf+"snag-fail"
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!!
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?: =(0 a) i.b
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$(b t.b, a (dec a))
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::
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++ homo :: homogenize
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|* a=(list)
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^+ =< $
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|@ ++ $ ?:(*? ~ [i=(snag 0 a) t=$])
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--
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a
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::
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++ flop :: reverse
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~/ %flop
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|* a=(list)
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=> .(a (homo a))
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^+ a
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=+ b=`_a`~
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|-
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?~ a b
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$(a t.a, b [i.a b])
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::
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++ welp :: concatenate
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~/ %welp
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=| [* *]
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|@
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++ $
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?~ +<-
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+<-(. +<+)
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+<-(+ $(+<- +<->))
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--
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::
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++ reap :: replicate
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~/ %reap
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|* [a=@ b=*]
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|- ^- (list _b)
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?~ a ~
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[b $(a (dec a))]
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::
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:: Modular arithmetic
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::
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++ fe :: modulo bloq
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|_ a=bloq
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++ rol |= [b=bloq c=@ d=@] ^- @ :: roll left
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=+ e=(sit d)
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=+ f=(bex (sub a b))
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=+ g=(mod c f)
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(sit (con (lsh [b g] e) (rsh [b (sub f g)] e)))
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++ sum |=([b=@ c=@] (sit (add b c))) :: wrapping add
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++ sit |=(b=@ (end a b)) :: enforce modulo
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--
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::
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:: Hashes
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::
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++ muk :: standard murmur3
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~% %muk ..muk ~
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=+ ~(. fe 5)
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|= [syd=@ len=@ key=@]
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=. syd (end 5 syd)
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=/ pad (sub len (met 3 key))
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=/ data (welp (rip 3 key) (reap pad 0))
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=/ nblocks (div len 4) :: intentionally off-by-one
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=/ h1 syd
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=+ [c1=0xcc9e.2d51 c2=0x1b87.3593]
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=/ blocks (rip 5 key)
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=/ i nblocks
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=. h1 =/ hi h1 |-
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?: =(0 i) hi
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=/ k1 (snag (sub nblocks i) blocks) :: negative array index
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=. k1 (sit (mul k1 c1))
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=. k1 (rol 0 15 k1)
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=. k1 (sit (mul k1 c2))
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=. hi (mix hi k1)
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=. hi (rol 0 13 hi)
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=. hi (sum (sit (mul hi 5)) 0xe654.6b64)
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$(i (dec i))
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=/ tail (slag (mul 4 nblocks) data)
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=/ k1 0
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=/ tlen (dis len 3)
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=. h1
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?+ tlen h1 :: fallthrough switch
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%3 =. k1 (mix k1 (lsh [0 16] (snag 2 tail)))
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=. k1 (mix k1 (lsh [0 8] (snag 1 tail)))
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=. k1 (mix k1 (snag 0 tail))
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=. k1 (sit (mul k1 c1))
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=. k1 (rol 0 15 k1)
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=. k1 (sit (mul k1 c2))
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(mix h1 k1)
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%2 =. k1 (mix k1 (lsh [0 8] (snag 1 tail)))
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=. k1 (mix k1 (snag 0 tail))
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=. k1 (sit (mul k1 c1))
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=. k1 (rol 0 15 k1)
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=. k1 (sit (mul k1 c2))
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(mix h1 k1)
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%1 =. k1 (mix k1 (snag 0 tail))
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=. k1 (sit (mul k1 c1))
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=. k1 (rol 0 15 k1)
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=. k1 (sit (mul k1 c2))
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(mix h1 k1)
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==
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=. h1 (mix h1 len)
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|^ (fmix32 h1)
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++ fmix32
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|= h=@
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=. h (mix h (rsh [0 16] h))
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=. h (sit (mul h 0x85eb.ca6b))
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=. h (mix h (rsh [0 13] h))
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=. h (sit (mul h 0xc2b2.ae35))
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=. h (mix h (rsh [0 16] h))
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h
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--
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::
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++ mug :: mug with murmur3
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~/ %mug
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|= a=*
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|^ ?@ a (mum 0xcafe.babe 0x7fff a)
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=/ b (cat 5 $(a -.a) $(a +.a))
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(mum 0xdead.beef 0xfffe b)
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::
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++ mum
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|= [syd=@uxF fal=@F key=@]
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=/ wyd (met 3 key)
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=| i=@ud
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|- ^- @F
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?: =(8 i) fal
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=/ haz=@F (muk syd wyd key)
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=/ ham=@F (mix (rsh [0 31] haz) (end [0 31] haz))
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?.(=(0 ham) ham $(i +(i), syd +(syd)))
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--
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::
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++ gor :: mug order
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~/ %gor
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|= [a=* b=*]
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^- ?
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=+ [c=(mug a) d=(mug b)]
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?: =(c d)
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(dor a b)
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(lth c d)
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::
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++ mor :: more mug order
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~/ %mor
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|= [a=* b=*]
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^- ?
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=+ [c=(mug (mug a)) d=(mug (mug b))]
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?: =(c d)
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(dor a b)
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(lth c d)
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::
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++ dor :: tree order
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~/ %dor
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|= [a=* b=*]
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^- ?
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?: =(a b) &
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?. ?=(@ a)
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?: ?=(@ b) |
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?: =(-.a -.b)
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$(a +.a, b +.b)
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$(a -.a, b -.b)
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?. ?=(@ b) &
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(lth a b)
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::
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++ por :: parent order
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~/ %por
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|= [a=@p b=@p]
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^- ?
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?: =(a b) &
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=| i=@
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|-
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?: =(i 2)
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:: second two bytes
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(lte a b)
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:: first two bytes
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=+ [c=(end 3 a) d=(end 3 b)]
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?: =(c d)
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$(a (rsh 3 a), b (rsh 3 b), i +(i))
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(lth c d)
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::
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:: Maps
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::
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++ by
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~/ %by
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=| a=(tree (pair)) :: (map)
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=* node ?>(?=(^ a) n.a)
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|@
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++ get
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~/ %get
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|* b=*
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=> .(b `_?>(?=(^ a) p.n.a)`b)
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|- ^- (unit _?>(?=(^ a) q.n.a))
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?~ a
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~
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?: =(b p.n.a)
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`q.n.a
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?: (gor b p.n.a)
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$(a l.a)
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$(a r.a)
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::
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++ put
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~/ %put
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|* [b=* c=*]
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|- ^+ a
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?~ a
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[[b c] ~ ~]
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?: =(b p.n.a)
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?: =(c q.n.a)
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a
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a(n [b c])
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?: (gor b p.n.a)
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=+ d=$(a l.a)
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?> ?=(^ d)
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?: (mor p.n.a p.n.d)
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a(l d)
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d(r a(l r.d))
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=+ d=$(a r.a)
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?> ?=(^ d)
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?: (mor p.n.a p.n.d)
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a(r d)
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d(l a(r l.d))
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::
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++ del
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~/ %del
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|* b=*
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|- ^+ a
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?~ a
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~
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?. =(b p.n.a)
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?: (gor b p.n.a)
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a(l $(a l.a))
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a(r $(a r.a))
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|- ^- [$?(~ _a)]
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?~ l.a r.a
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?~ r.a l.a
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?: (mor p.n.l.a p.n.r.a)
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l.a(r $(l.a r.l.a))
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r.a(l $(r.a l.r.a))
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::
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++ apt
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=< $
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~/ %apt
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=| [l=(unit) r=(unit)]
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|. ^- ?
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?~ a &
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?& ?~(l & &((gor p.n.a u.l) !=(p.n.a u.l)))
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?~(r & &((gor u.r p.n.a) !=(u.r p.n.a)))
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?~ l.a &
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&((mor p.n.a p.n.l.a) !=(p.n.a p.n.l.a) $(a l.a, l `p.n.a))
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?~ r.a &
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&((mor p.n.a p.n.r.a) !=(p.n.a p.n.r.a) $(a r.a, r `p.n.a))
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==
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--
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::
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++ on :: ordered map
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~/ %on
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|* [key=mold val=mold]
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=> |%
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+$ item [key=key val=val]
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--
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::
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~% %comp +>+ ~
|
|
|= compare=$-([key key] ?)
|
|
~% %core + ~
|
|
|%
|
|
::
|
|
++ apt
|
|
~/ %apt
|
|
|= a=(tree item)
|
|
=| [l=(unit key) r=(unit key)]
|
|
|- ^- ?
|
|
?~ a %.y
|
|
?& ?~(l %.y (compare key.n.a u.l))
|
|
?~(r %.y (compare u.r key.n.a))
|
|
?~(l.a %.y &((mor key.n.a key.n.l.a) $(a l.a, l `key.n.a)))
|
|
?~(r.a %.y &((mor key.n.a key.n.r.a) $(a r.a, r `key.n.a)))
|
|
==
|
|
::
|
|
++ get
|
|
~/ %get
|
|
|= [a=(tree item) b=key]
|
|
^- (unit val)
|
|
?~ a ~
|
|
?: =(b key.n.a)
|
|
`val.n.a
|
|
?: (compare b key.n.a)
|
|
$(a l.a)
|
|
$(a r.a)
|
|
::
|
|
++ has
|
|
~/ %has
|
|
|= [a=(tree item) b=key]
|
|
^- ?
|
|
!=(~ (get a b))
|
|
::
|
|
++ put
|
|
~/ %put
|
|
|= [a=(tree item) =key =val]
|
|
^- (tree item)
|
|
?~ a [n=[key val] l=~ r=~]
|
|
?: =(key.n.a key) a(val.n val)
|
|
?: (compare key key.n.a)
|
|
=/ l $(a l.a)
|
|
?> ?=(^ l)
|
|
?: (mor key.n.a key.n.l)
|
|
a(l l)
|
|
l(r a(l r.l))
|
|
=/ r $(a r.a)
|
|
?> ?=(^ r)
|
|
?: (mor key.n.a key.n.r)
|
|
a(r r)
|
|
r(l a(r l.r))
|
|
--
|
|
::
|
|
:: Sets
|
|
::
|
|
++ in
|
|
~/ %in
|
|
=| a=(tree) :: (set)
|
|
|@
|
|
++ put
|
|
~/ %put
|
|
|* b=*
|
|
|- ^+ a
|
|
?~ a
|
|
[b ~ ~]
|
|
?: =(b n.a)
|
|
a
|
|
?: (gor b n.a)
|
|
=+ c=$(a l.a)
|
|
?> ?=(^ c)
|
|
?: (mor n.a n.c)
|
|
a(l c)
|
|
c(r a(l r.c))
|
|
=+ c=$(a r.a)
|
|
?> ?=(^ c)
|
|
?: (mor n.a n.c)
|
|
a(r c)
|
|
c(l a(r l.c))
|
|
::
|
|
++ del
|
|
~/ %del
|
|
|* b=*
|
|
|- ^+ a
|
|
?~ a
|
|
~
|
|
?. =(b n.a)
|
|
?: (gor b n.a)
|
|
a(l $(a l.a))
|
|
a(r $(a r.a))
|
|
|- ^- [$?(~ _a)]
|
|
?~ l.a r.a
|
|
?~ r.a l.a
|
|
?: (mor n.l.a n.r.a)
|
|
l.a(r $(l.a r.l.a))
|
|
r.a(l $(r.a l.r.a))
|
|
::
|
|
++ apt
|
|
=< $
|
|
~/ %apt
|
|
=| [l=(unit) r=(unit)]
|
|
|. ^- ?
|
|
?~ a &
|
|
?& ?~(l & (gor n.a u.l))
|
|
?~(r & (gor u.r n.a))
|
|
?~(l.a & ?&((mor n.a n.l.a) $(a l.a, l `n.a)))
|
|
?~(r.a & ?&((mor n.a n.r.a) $(a r.a, r `n.a)))
|
|
==
|
|
--
|
|
::
|
|
:: Jugs
|
|
::
|
|
++ ju
|
|
=| a=(tree (pair * (tree))) :: (jug)
|
|
|@
|
|
++ get
|
|
|* b=*
|
|
=+ c=(~(get by a) b)
|
|
?~(c ~ u.c)
|
|
::
|
|
++ del
|
|
|* [b=* c=*]
|
|
^+ a
|
|
=+ d=(get b)
|
|
=+ e=(~(del in d) c)
|
|
?~ e
|
|
(~(del by a) b)
|
|
(~(put by a) b e)
|
|
::
|
|
++ put
|
|
|* [b=* c=*]
|
|
^+ a
|
|
=+ d=(get b)
|
|
(~(put by a) b (~(put in d) c))
|
|
--
|
|
--
|