Trait TreeChangeHandler 

pub trait TreeChangeHandler {
    // Required methods
    fn node_added(&mut self, node: &Node<'_>);
    fn node_updated(&mut self, old_node: &Node<'_>, new_node: &Node<'_>);
    fn focus_moved(
        &mut self,
        old_node: Option<&Node<'_>>,
        new_node: Option<&Node<'_>>,
    );
    fn node_removed(&mut self, node: &Node<'_>);
}

Required Methods

fn node_added(&mut self, node: &Node<'_>)

fn node_updated(&mut self, old_node: &Node<'_>, new_node: &Node<'_>)

fn focus_moved( &mut self, old_node: Option<&Node<'_>>, new_node: Option<&Node<'_>>, )

fn node_removed(&mut self, node: &Node<'_>)

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors