Struct CronExpression

pub struct CronExpression { /* private fields */ }

Cron expression wrapper with validation

Implementations

impl CronExpression

pub fn new(expression: &str) -> ScheduleResult<Self>

Create a new cron expression from a string

Supports standard 6-field cron format:

• 0 * * * * * (every minute)
• 0 0 0 * * * (daily at midnight)
• 0 0 */6 * * * (every 6 hours)
• 0 0 9-17 * * 1-5 (weekdays 9-5)

pub fn expression(&self) -> &str

Get the raw cron expression string

pub fn next_run_time(&self, after: DateTime<Utc>) -> Option<DateTime<Utc>>

Get the next run time after the given datetime

pub fn next_run_times( &self, after: DateTime<Utc>, count: usize, ) -> Vec<DateTime<Utc>>

Get the next N run times after the given datetime

pub fn should_run(&self, at: DateTime<Utc>) -> bool

Check if this schedule should run at the given time

Trait Implementations

impl Clone for CronExpression

fn clone(&self) -> CronExpression

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CronExpression

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CronExpression

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for CronExpression

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.