Averages/Arithmetic mean: Difference between revisions
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the List.fold_left, and for mean_ints it is possible to save calling |
the List.fold_left, and for mean_ints it is possible to save calling |
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float_of_int on every numbers, converting only the result of the addition. |
float_of_int on every numbers, converting only the result of the addition. |
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(also when using List.map and the order is not important, you can use |
(also when using List.map and when the order is not important, you can use |
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List.rev_map instead to save an internal List.rev). |
List.rev_map instead to save an internal call to List.rev). |
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Also the task asks to return 0 on empty lists, but in OCaml this case |
Also the task asks to return 0 on empty lists, but in OCaml this case |
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would rather be handled by an exception. |
would rather be handled by an exception. |
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