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Day of the week: Difference between revisions
Added Standard ML solution
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(Added Standard ML solution) |
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2112
2118</pre>
=={{header|Standard ML}}==
<lang sml>(* Call: yearsOfSundayXmas(2008, 2121) *)
fun yearsOfSundayXmas(fromYear, toYear) =
if fromYear>toYear then
()
else
let
val d = Date.date {year=fromYear, month=Date.Dec, day=25,
hour=0, minute=0, second=0,
offset=SOME Time.zeroTime}
val wd = Date.weekDay d
in
if wd=Date.Sun then
(
print(Int.toString fromYear ^ "\n");
yearsOfSundayXmas(fromYear+1, toYear)
)
else
yearsOfSundayXmas(fromYear+1, toYear)
end;</lang>
{{out}}
<pre>- yearsOfSundayXmas(2008, 2121);
2011
2016
2022
2033
2039
2044
2050
2061
2067
2072
2078
2089
2095
2101
2107
2112
2118</pre>
=={{header|Swift}}==
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