使用 Image 属性打印枚举

Version = 有 2012 年（TC-1）

with Ada.Text_IO;

procedure Main is
   type Fruit is (Banana, Orange, Pear);
   X : Fruit := Orange;
begin
   Ada.Text_IO.Put_Line (X'Image);
   Ada.Text_IO.Put_Line (Pear'Image);
end Main;

结果

ORANGE
PEAR