Struct LastUpdate 

pub struct LastUpdate {
    pub slot: Slot,
    pub stale: bool,
}

Last update state

Fields

slot: Slot

Last slot when updated

stale: bool

True when marked stale, false when slot updated

Implementations

impl LastUpdate

pub fn new(slot: Slot) -> Self

Create new last update

pub fn slots_elapsed(&self, slot: Slot) -> Result<u64, ProgramError>

Return slots elapsed since given slot

pub fn update_slot(&mut self, slot: Slot)

Set last update slot

pub fn mark_stale(&mut self)

Set stale to true

pub fn is_stale(&self, slot: Slot) -> Result<bool, ProgramError>

Check if marked stale or last update slot is too long ago

Trait Implementations

impl Clone for LastUpdate

fn clone(&self) -> LastUpdate

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LastUpdate

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

Formats the value using the given formatter.

impl Default for LastUpdate

fn default() -> LastUpdate

Returns the “default value” for a type.

impl PartialEq for LastUpdate

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for LastUpdate

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.