ObjectExpression
constructor(object: <Error class: unknown class>)
Creates an expression evaluating to the given object with a weak reference.
Once the object is disposed, it will fail to evaluate.
This expression is meant to break reference cycles.
If you want to keep a reference to object, use ctor@Gtk.ConstantExpression.new.
Return
a new GtkExpression
Parameters
object
object to watch
constructor(pointer: <Error class: unknown class><<Error class: unknown class>>)