Trait Cancel

pub trait Cancel: CountDown {
    type Error;

    // Required method
    fn cancel(&mut self) -> Result<(), Self::Error>;
}

Trait for cancelable countdowns.

Required Associated Types

type Error

Error returned when a countdown can’t be canceled.

Required Methods

fn cancel(&mut self) -> Result<(), Self::Error>

Tries to cancel this countdown.

Errors

An error will be returned if the countdown has already been canceled or was never started. An error is also returned if the countdown is not Periodic and has already expired.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors