Constructs the type corresponding to a maybe instance containing type type or Nothing. It is appropriate to call g_variant_type_free() on the return value. Since 2.24
a GVariantType
ConstructionException GTK+ fails to create the object.
See Implementation
Constructs the type corresponding to a maybe instance containing type type or Nothing. It is appropriate to call g_variant_type_free() on the return value. Since 2.24