Struct TimeToLive 

pub struct TimeToLive(/* private fields */);

DNS Cache Time-to-live, in seconds

Implementations

impl TimeToLive

pub const MAX: TimeToLive

pub const MIN: TimeToLive

pub const ZERO: TimeToLive

pub fn from_secs(secs: u32) -> Self

Create a TimeToLive from seconds

Creates a new TimeToLive value from the specified number of seconds.

Arguments

• secs - The TTL value in seconds

Returns

A new TimeToLive instance

pub fn deadline(&self) -> DateTime<Utc>

Calculate the deadline for this TTL

Returns the UTC timestamp when a record with this TTL would expire if cached now.

Returns

The expiration timestamp

Trait Implementations

impl Clone for TimeToLive

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for TimeToLive

impl Debug for TimeToLive

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

Formats the value using the given formatter.

impl Display for TimeToLive

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

Formats the value using the given formatter.

impl Eq for TimeToLive

impl From<Duration> for TimeToLive

fn from(value: Duration) -> Self

Converts to this type from the input type.

impl From<TimeToLive> for u32

fn from(value: TimeToLive) -> Self

Converts to this type from the input type.

impl From<TimeToLive> for Duration

fn from(value: TimeToLive) -> Self

Converts to this type from the input type.

impl From<u32> for TimeToLive

fn from(value: u32) -> Self

Converts to this type from the input type.

impl FromSql for TimeToLive

fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self>

Converts SQLite value into Rust value.

impl Ord for TimeToLive

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to)

Restrict a value to a certain range.

impl PartialEq for TimeToLive

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for TimeToLive

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for TimeToLive

impl ToSql for TimeToLive

fn to_sql(&self) -> Result<ToSqlOutput<'_>>

Converts Rust value to SQLite value