//! Deal with the here and now.

/// This module allows for calling `now::millis()` and `now::micros()`.
// TODO(rescrv):  Make this type safe and monotonic.
pub mod now {
    use std::time::{SystemTime, UNIX_EPOCH};

    /// Return the current number of milliseconds since the UNIX epoch.
    pub fn millis() -> u64 {
        (SystemTime::now()
            .duration_since(UNIX_EPOCH)
            .expect("system time before UNIX epoch")
            .as_secs_f64()
            * 1_000.0) as u64
    }

    /// Return the current number of microseconds since the UNIX epoch.
    pub fn micros() -> u64 {
        (SystemTime::now()
            .duration_since(UNIX_EPOCH)
            .expect("system time before UNIX epoch")
            .as_secs_f64()
            * 1_000_000.0) as u64
    }
}