time: use array::from_fn instead of manually creating array (#7000)

This commit is contained in:
David Herberth
2024-12-01 19:54:30 +01:00
committed by GitHub
parent 38151f30cb
commit bce9780dd3
+1 -77
View File
@@ -39,86 +39,10 @@ const LEVEL_MULT: usize = 64;
impl<T: Stack> Level<T> {
pub(crate) fn new(level: usize) -> Level<T> {
// Rust's derived implementations for arrays require that the value
// contained by the array be `Copy`. So, here we have to manually
// initialize every single slot.
macro_rules! s {
() => {
T::default()
};
}
Level {
level,
occupied: 0,
slot: [
// It does not look like the necessary traits are
// derived for [T; 64].
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
s!(),
],
slot: std::array::from_fn(|_| T::default()),
}
}