1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

pub extern crate atomic_take;
pub extern crate inventory;

use atomic_take::AtomicTake;

pub struct BootBox {
  pub boot_fn: AtomicTake<Box<dyn FnOnce()>>,
}

inventory::collect!(BootBox);

// Iterate over all boot functions as captured by booter::call_on_boot
pub fn boot() {
  for boot_box in inventory::iter::<BootBox> {
    if let Some(boot_fn) = boot_box.boot_fn.take() {
      boot_fn();
    }
  }
}

#[macro_export]
macro_rules! call_on_boot {
  ($boot:block) => {
    use $crate::{atomic_take::AtomicTake, inventory, BootBox};

    inventory::submit! {
      BootBox {
        boot_fn: AtomicTake::new(Box::new(|| $boot_fn))
      }
    }
  };
}