Last Friday of each month: Difference between revisions

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@@ Line 213: / Line 213: @@
             mday--;
         } while (date.dayOfWeek != DayOfWeek.fri);
+        writeln(date);
+    }
+}</lang>
+Alternative version, as per Ruby, same output
+<lang d>import std.stdio, std.datetime, std.traits;
+void main() {
+    lastFridays(2012);
+}
+void lastFridays(in uint year) {
+    auto date = Date(year, 1, 1);
+    foreach (mon; EnumMembers!Month) {
+        date.day(1);
+        date.month(mon);
+        date.day(date.daysInMonth);
+        date.roll!"days"(- (date.dayOfWeek + 2) % 7);
         writeln(date);
     }