Macro sleep4 

macro_rules! sleep4 {
    ($s:literal) => { ... };
    ($s:expr) => { ... };
    ($s:expr, $ms:expr) => { ... };
    ($s:expr, $ms:expr, $us:expr) => { ... };
    ($s:expr, $ms:expr, $us:expr, $ns:expr) => { ... };
}

Available on crate features linux or std only.

🧵 🕘 A more compact thread sleep.

---

^{📍 work/thread}

---

Sleeps for $s seconds, plus optional milliseconds, microseconds and nanoseconds.

Forms:

• sleep4![s]
• sleep4![s, ms]
• sleep4![s, ms, us]
• sleep4![s, ms, us, ns]

The single-argument form also accepts floating-point literals: sleep4![0.5].

Examples

sleep4![1, 0, 500]; // sleeps for 1 second + 500 microseconds
sleep4![1.5]; // sleeps for 1.5 seconds

Features

• With the std feature enabled it leverages Thread::sleep.
• With the linux feature enabled it leverages Linux::sleep.