Use cron-like scheduling in an async tokio environment. Also schedule tasks at an instant or repeat them at a fixed duration.
Inspired by https://github.com/mvniekerk/tokio-chron-scheduler
Creating a schedule for a job is done using the FromStr impl for the
Schedule type of the cron library.
The scheduling format is as follows:
text
sec min hour day of month month day of week year
* * * * * * *
Time is specified for UTC and not your local timezone. Note that the year may
be omitted.
Comma separated values such as 5,8,10 represent more than one time value. So
for example, a schedule of 0 2,14,26 * * * * would execute on the 2nd, 14th,
and 26th minute of every hour.
Ranges can be specified with a dash. A schedule of 0 0 * 5-10 * * would
execute once per hour but only on day 5 through 10 of the month.
Day of the week can be specified as an abbreviation or the full name. A
schedule of 0 0 6 * * Sun,Sat would execute at 6am on Sunday and Saturday.
A simple example is provided in the examples directory.
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