Trait Callback 

pub trait Callback: FnMut(&mut Context) + 'static {
    // Required method
    fn clone_box(&self) -> Box<dyn Callback>;
}

Required Methods

fn clone_box(&self) -> Box<dyn Callback>

Trait Implementations

impl Clone for Box<dyn Callback>

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for dyn Callback

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for dyn Callback

fn eq(&self, _: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

Implementors

impl<F> Callback for F

where F: FnMut(&mut Context) + Clone + 'static,