Data update

Task/Hello-world-Graphical/Sidef/hello-world-graphical-1.sidef

@@ -1,7 +1,7 @@
-var tk = require('Tk');
-var main = %s'MainWindow'.new;
+var tk = require('Tk')
+var main = %O<MainWindow>.new
 main.Button(
     '-text'    => 'Goodbye, World!',
     '-command' => 'exit',
-).pack;
-tk.MainLoop;
+).pack
+tk.MainLoop

Task/Hello-world-Graphical/Sidef/hello-world-graphical-2.sidef

@@ -1,12 +1,12 @@
-var gtk2 = require('Gtk2') -> init;
-
-var window = %s'Gtk2::Window'.new;
-var label  = %s'Gtk2::Label'.new('Goodbye, World!');
-
-window.set_title('Goodbye, World!');
-window.signal_connect(destroy => func(*_){ gtk2.main_quit });
-
-window.add(label);
-window.show_all;
-
-gtk2.main;
+var gtk2 = require('Gtk2') -> init
+ 
+var window = %O<Gtk2::Window>.new
+var label  = %O<Gtk2::Label>.new('Goodbye, World!')
+ 
+window.set_title('Goodbye, World!')
+window.signal_connect(destroy => { gtk2.main_quit })
+ 
+window.add(label)
+window.show_all
+ 
+gtk2.main

Task/Hello-world-Graphical/Sidef/hello-world-graphical-3.sidef

@@ -0,0 +1,13 @@
+use('Gtk3 -init')
+
+var gtk3   = %O'Gtk3'
+var window = %O'Gtk3::Window'.new
+var label  = %O'Gtk3::Label'.new('Goodbye, World!')
+
+window.set_title('Goodbye, World!')
+window.signal_connect(destroy => { gtk3.main_quit })
+
+window.add(label)
+window.show_all
+
+gtk3.main