/tutorial/tuple/example1.e

 1class EXAMPLE1
 2   --
 3   -- To start with TUPLE, just compile an run it :
 4   --
 5   --            compile -o example1 -boost example1
 6   --
 7
 8create {ANY}
 9   make
10
11feature {ANY}
12   make
13      local
14         my_tuple: TUPLE[INTEGER_8, STRING, REAL]
15      do
16         -- Creation of a new TUPLE:
17         my_tuple := [2, "Lucien", 6.5] -- Accessing:
18         io.put_string("my_tuple.count = ")
19         io.put_integer(my_tuple.count)
20         io.put_string("%Nmy_tuple.item_1 = ")
21         io.put_integer(my_tuple.item_1)
22         io.put_string("%Nmy_tuple.item_2 = ")
23         io.put_string(my_tuple.item_2)
24         io.put_string("%Nmy_tuple.item_3 = ")
25         io.put_real(my_tuple.item_3)
26         -- Writing:
27         my_tuple.set_item_1(3)
28         my_tuple.set_item_2("Marie")
29         my_tuple.set_item_3(4.5)
30         -- Accessing:
31         io.put_string("%Nmy_tuple.item_1 = ")
32         io.put_integer(my_tuple.item_1)
33         io.put_string("%Nmy_tuple.item_2 = ")
34         io.put_string(my_tuple.item_2)
35         io.put_string("%Nmy_tuple.item_3 = ")
36         io.put_real(my_tuple.item_3)
37         io.put_string("[
38         To know more about TUPLEs, have a look at example #2.
39
40         ]")
41      end
42
43end -- class EXAMPLE1