g-object-type (object)

object -- a g-object instance to return the type ID for

A g-type type ID of the object argument.

Gets the type ID for the instance of an object. Returns nil if the object argument is nil.

This function calls the g-type-from-instance function to get the type for an object, but checks in addition for a non-nil argument.

(g-object-type (make-instance 'gtk-label))
=> #S(GTYPE :NAME "GtkLabel" :%ID 134905144)
(g-obect-type nil) => nil