Trait timed_option::TtlBackend

pub trait TtlBackend: Clone {
    type Duration;

    // Required methods
    fn now() -> Self;
    fn expired() -> Self;
    fn add(self, dt: Self::Duration) -> Self;
    fn is_valid(&self) -> bool;
    fn is_expired(&self) -> bool;
}

Required Associated Types

type Duration

Required Methods

fn now() -> Self

fn expired() -> Self

fn add(self, dt: Self::Duration) -> Self

fn is_valid(&self) -> bool

fn is_expired(&self) -> bool

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl TtlBackend for Instant

type Duration = Duration

fn now() -> Self

fn expired() -> Self

fn add(self, dt: Self::Duration) -> Self

fn is_valid(&self) -> bool

fn is_expired(&self) -> bool

impl TtlBackend for DateTime<Utc>

type Duration = TimeDelta

fn now() -> Self

fn expired() -> Self

fn add(self, dt: Self::Duration) -> Self

fn is_valid(&self) -> bool

fn is_expired(&self) -> bool

Implementors