Struct timed_option::TimedOption

pub struct TimedOption<T, Ttl> { /* private fields */ }

See module level documentation

Implementations

impl<T, B> TimedOption<T, B>

where B: TtlBackend,

pub fn new(value: T, ttl: B::Duration) -> Self

Some value of type T with a ttl.

pub fn into_option(self) -> Option<T>

Returns an Option<T>. If the value is some but expired a None is returned.

pub fn as_option(&self) -> Option<&T>

Returns an Option<&T>. If the value is some but expired a None is returned.

pub fn into_timed_value(self) -> TimedValue<T>

Returns an TimedValue<T>.

pub fn as_timed_value(&self) -> TimedValue<&T>

Returns an TimedValue<&T>.

pub fn as_ref(&self) -> TimedOption<&T, B>

Converts from &TimedOption<T> to TimedOption<&T>.

pub fn expire(&mut self)

Expires the current ttl.

pub fn clear(&mut self)

Sets value to None.

pub fn take(&mut self) -> Option<T>

Takes the value out of the TimedOption, returning an Option and leaving a None in its place.

pub fn take_timed_value(&mut self) -> TimedValue<T>

Takes the value out of the TimedOption, Returning a TimedValue and leaving a None in its place.

pub fn is_some(&self) -> bool

Returns true if the timed-option is Some value and has not expired.

pub fn is_none(&self) -> bool

Returns true if the timed-option is None value or it has expired.

Trait Implementations

impl<T: Clone, Ttl: Clone> Clone for TimedOption<T, Ttl>

fn clone(&self) -> TimedOption<T, Ttl>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Debug, Ttl: Debug> Debug for TimedOption<T, Ttl>

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

Formats the value using the given formatter.

impl<T, B> From<TimedOption<T, B>> for Option<T>

where B: TtlBackend,

fn from(value: TimedOption<T, B>) -> Self

Converts to this type from the input type.

impl<T, B> From<TimedOption<T, B>> for TimedValue<T>

where B: TtlBackend,

fn from(value: TimedOption<T, B>) -> Self

Converts to this type from the input type.

impl<T: Copy, Ttl: Copy> Copy for TimedOption<T, Ttl>