When making a GtkBox in Vala you can be as formal/informal as you like
Formal
Gtk.Box box = new Gtk.Box (Gtk.Orientation.VERTICAL, 0);
I know you mean Gtk.Box
var box = new Gtk.Box (Gtk.Orientation.VERTICAL, 0);
I can work out what namespace that's in
using Gtk;
[...]
var box = new Box (Orientation.VERTICAL, 0);
Magic mode
var box = new Box (VERTICAL, 0);
So that's pretty cool