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Merge pull request #3494 from haritonch/patch-1
[SML/en] Added a comment to better demonstrate custom datatypes
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@@ -273,6 +273,9 @@ datatype temp =
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C of real
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| F of real
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(* Declaring a new C temp value...
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val t: temp = C 45.0 *)
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fun temp_to_f t =
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case t of
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C x => x * (9.0 / 5.0) + 32.0
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