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Now, there are two local binders: let x = ... use x = ... The 'let' binder will create a local definition, type-check it, and assign a name to it. When compiled, it will create 'dup' nodes. The 'use' binder is just an alias. It will not bind a new variable, and, when compiled, will create inline copies. Also, for type-checking, it allows creating aliases that are definitionaly equal for the checker.
17 lines
443 B
Plaintext
17 lines
443 B
Plaintext
BBT.to_list
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: ∀(K: *) ∀(V: *) ∀(map: (BBT K V))
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(List (Pair K V))
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= λK λV λmap
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use P = λx (List (Pair K V))
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use bin = λsize λkey λval λlft λrgt
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use lft = (BBT.to_list K V lft)
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use rgt = (BBT.to_list K V rgt)
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use pair = (Pair.new K V key val)
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use list = (List.cons
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(Pair K V)
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pair
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(List.concat (Pair K V) lft rgt)
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)
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list
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use tip = (List.nil (Pair K V))
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(~map P bin tip) |