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14 lines
450 B
Plaintext
14 lines
450 B
Plaintext
// Returns a pair with the size of the map and the reconstructed map
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BBT.got_size
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: ∀(K: *)
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∀(V: *)
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∀(map: (BBT K V))
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(Pair #U60 (BBT K V))
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= λK λV λmap
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let P = λx(Pair #U60 (BBT K V))
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let bin = λsize λnext.key λnext.val λnext.lft λnext.rgt
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let map = (BBT.bin K V size next.key next.val next.lft next.rgt)
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(Pair.new #U60 (BBT K V) size map)
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let tip = (Pair.new #U60 (BBT K V) #0 (BBT.tip K V))
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(~map P bin tip)
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