Example: Check if a type can be instantiated

• Package Index
• Example Listing

public interface Interface : Object {}
public abstract class AbstractGObject : Object, Interface {}
public abstract class AbstractSimpleObject {}
public enum Enum { E }

public static int main (string[] args) {
	// Output: ``false``
	Type type = typeof (Interface);
	print (" is-instantiatable: %s\n", type.is_instantiatable ().to_string ());

	// Output: ``true``
	type = typeof (AbstractGObject);
	print (" is-instantiatable: %s\n", type.is_instantiatable ().to_string ());

	// Output: ``true``
	type = typeof (AbstractSimpleObject);
	print (" is-instantiatable: %s\n", type.is_instantiatable ().to_string ());

	// Output: ``false``
	type = typeof (Enum);
	print (" is-instantiatable: %s\n", type.is_instantiatable ().to_string ());

	return 0;
}

 valac --pkg gobject-2.0 GLib.Type.is_instantiable.vala

See:

• GLib.Type.is_instantiable

• Package Index
• Example Listing