Task

Write a program or a script that returns the date of the last Fridays of each month of a given year.

The year may be given through any simple input method in your language (command line, std in, etc).



Example of an expected output:

./last_fridays 2012
2012-01-27
2012-02-24
2012-03-30
2012-04-27
2012-05-25
2012-06-29
2012-07-27
2012-08-31
2012-09-28
2012-10-26
2012-11-30
2012-12-28



Related tasks
 Five weekends
 Day of the week
 Find the last Sunday of each month


import std.stdio, std.datetime, std.traits;
 
void lastFridays(in uint year) {
    auto date = Date(year, 1, 1);
    foreach (_; [EnumMembers!Month]) {
        date.day(date.daysInMonth);
        date.roll!"days"(-(date.dayOfWeek + 2) % 7);
        writeln(date);
        date.add!"months"(1, AllowDayOverflow.no);
    }
}
 
void main() {
    lastFridays(2012);
}