Trait Handler 

pub trait Handler {
    // Required methods
    fn completed(&mut self, id: usize, flags: u32, result: Result<usize, Error>);
    fn canceled(&mut self, id: usize);
    fn tick(&mut self);
    fn cleanup(&mut self);
}

Required Methods

fn completed(&mut self, id: usize, flags: u32, result: Result<usize, Error>)

Operation is completed.

fn canceled(&mut self, id: usize)

Operation is canceled.

fn tick(&mut self)

The driver’s turn has completed.

fn cleanup(&mut self)

Clean up the handle before dropping the driver.

Dyn Compatibility

This trait is dyn compatible.

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

Implementors