7 votes

Using one cron parser everywhere with Rust and Saffron

Posted by spit-evil-olive-tips
Tags: cron, parsing, rust, cloudflare, saffron, webassembly
https://blog.cloudflare.com/using-one-cron-parser-everywhere-with-rust-and-saffron/

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Published
Dec 25 2020
Word count
2603 words

1 comment

  1. spit-evil-olive-tips
    Link
    Fun read about some edge cases in complex cron job expressions:

    Fun read about some edge cases in complex cron job expressions:

    For example, this expression “0 0 L-1W 2 *”, or “12:00 AM on the closest weekday to the 2nd to last day of the month in February” cannot be parsed by the parser we use for descriptions, but it’s accepted by the API, backend, and Worker, so you can use it in your cron triggers, but the UI won’t give you a description for it.

    2 votes