pub trait ContainerImpl: ContainerImplExt + WidgetImpl {
fn add(&self, container: &Self::Type, widget: &Widget) { ... }
fn remove(&self, container: &Self::Type, widget: &Widget) { ... }
fn check_resize(&self, container: &Self::Type) { ... }
fn set_focus_child(&self, container: &Self::Type, widget: Option<&Widget>) { ... }
fn child_type(&self, container: &Self::Type) -> Type { ... }
fn path_for_child(
&self,
container: &Self::Type,
widget: &Widget
) -> WidgetPath { ... }
fn forall(
&self,
container: &Self::Type,
include_internals: bool,
callback: &Callback
) { ... }
}