Struct CronExpression 

pub struct CronExpression {
    pub expression: String,
    /* private fields */
}

A parsed cron expression

Fields

expression: String

Original expression string

Implementations

impl CronExpression

pub fn parse(expression: &str) -> Result<Self>

Parse a cron expression string

Examples

use a3s_cron::CronExpression;

// Every 5 minutes
let expr = CronExpression::parse("*/5 * * * *").unwrap();

// Every day at 2:30 AM
let expr = CronExpression::parse("30 2 * * *").unwrap();

// Every Monday at 9 AM
let expr = CronExpression::parse("0 9 * * 1").unwrap();

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

Calculate the next run time after the given datetime

pub fn matches(&self, dt: &DateTime<Utc>) -> bool

Check if a datetime matches this cron expression

pub fn describe(&self) -> String

Get a human-readable description of the schedule

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.