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real language
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Language Vala
(Signals)
| Date: | 03/26/10 |
| Author: | Hohoo |
| URL: | n/a |
| Comments: | 1 |
| Info: | http://live.gnome.org/Vala/ |
| Score: |  (2.87 in 8 votes) |
class Bottles {
private int amount = 99;
private signal void bottles (bool on_the_wall);
private signal void drink ();
public Bottles () {
bottles.connect (on_bottles);
drink.connect (on_drink);
sing ();
}
private void sing () {
for (int i = 99; i >= 0; i--) {
bottles (true);
bottles (false);
drink ();
bottles (true);
if (i != 0) {
stdout.printf ("\n");
}
}
}
private void on_bottles (bool on_the_wall) {
var w_end = "";
var s_end = "";
if (on_the_wall) {
w_end = " on the wall";
}
if (amount != 1) {
s_end = "s";
}
stdout.printf ("%d bottle%s of beer%s\n", amount, s_end, w_end);
}
private void on_drink () {
if (amount != 0) {
stdout.printf ("Take one down and pass it around\n");
amount--;
} else {
stdout.printf ("Go to the store and buy some more\n");
amount = 99;
}
}
public static int main (string[] args) {
Bottles b = new Bottles ();
return 0;
}
}
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