Created
May 12, 2018 17:18
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| fun number_in_months (dates : int*int*int list, months : int list) | |
| if null dates | |
| then 0 | |
| else | |
| number_in_month(dates, hd months) + number_in_months(dates, tl months) | |
| val test3 = number_in_months ([(2012,2,28),(2013,12,1),(2011,3,31),(2011,4,28)],[2,3,4]) = 3; |
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