Palindrome dates: Difference between revisions
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→{{header|Wren}}: Now uses Wren-date module. |
Ada version |
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;Task
Write a program which calculates and shows the next 15 palindromic dates for those countries which express their dates in the yyyy-mm-dd format.
=={{header|Ada}}==
<lang Ada>with Ada.Text_IO;
with Ada.Calendar.Formatting;
with Ada.Calendar.Arithmetic;
procedure Palindrome_Dates is
Desired_Count : constant := 15;
Start_Date : constant String := "2020-01-01 00:00:00";
use Ada.Calendar;
function Is_Palindrome_Date (Date : Time) return Boolean is
Image : String renames Formatting.Image (Date);
begin
return
Image (1) = Image (10) and
Image (2) = Image (9) and
Image (3) = Image (7) and
Image (4) = Image (6);
end Is_Palindrome_Date;
Date : Ada.Calendar.Time := Formatting.Value (Start_Date);
Count : Natural := 0;
use type Ada.Calendar.Arithmetic.Day_Count;
begin
loop
if Is_Palindrome_Date (Date) then
Ada.Text_IO.Put_Line (Formatting.Image (Date) (1 .. 10));
Count := Count + 1;
end if;
exit when Count = Desired_Count;
Date := Date + 1;
end loop;
end Palindrome_Dates;</lang>
=={{header|AppleScript}}==
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