RosettaCodeData/Task/String-comparison/Ada/string-comparison.ada

with Ada.Text_IO, Ada.Strings.Equal_Case_Insensitive;

procedure String_Compare is

   procedure Print_Comparison (A, B : String) is
   begin
      Ada.Text_IO.Put_Line
         ("""" & A & """ and """ & B & """: " &
          (if A = B then
              "equal, "
           elsif Ada.Strings.Equal_Case_Insensitive (A, B) then
              "case-insensitive-equal, "
           else "not equal at all, ")                   &
          (if A /= B then "/=, "     else "")           &
          (if A <  B then "before, " else "")           &
          (if A >  B then "after, "  else "")           &
          (if A <= B then "<=, "     else "(not <=), ") &
          (if A >= B then ">=. "     else "(not >=)."));
   end Print_Comparison;
begin
   Print_Comparison ("this", "that");
   Print_Comparison ("that", "this");
   Print_Comparison ("THAT", "That");
   Print_Comparison ("this", "This");
   Print_Comparison ("this", "this");
   Print_Comparison ("the", "there");
   Print_Comparison ("there", "the");
end String_Compare;