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tweak diagram
[lambda.git]
/
exercises
/
assignment5_hint3.mdwn
1
Consider this pattern:
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# let rec enumerate_from (t:'a color_tree) counter = match t with
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| Leaf x -> (Leaf counter, counter+1)
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| Branch (left,col,right) -> let (left',counter') = ... in
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let (right',counter'') = ... in
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...
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;;