aiscript_arena/
static_collect.rs

1use crate::Rootable;
2use crate::collect::Collect;
3
4use alloc::borrow::{Borrow, BorrowMut};
5use core::convert::{AsMut, AsRef};
6use core::ops::{Deref, DerefMut};
7
8/// A wrapper type that implements Collect whenever the contained T is 'static, which is useful in
9/// generic contexts
10#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Default)]
11#[repr(transparent)]
12pub struct Static<T: ?Sized>(pub T);
13
14impl<T: ?Sized + 'static> Rootable<'_> for Static<T> {
15    type Root = Static<T>;
16}
17
18unsafe impl<T: ?Sized + 'static> Collect for Static<T> {
19    #[inline]
20    fn needs_trace() -> bool {
21        false
22    }
23}
24
25impl<T> From<T> for Static<T> {
26    fn from(value: T) -> Self {
27        Self(value)
28    }
29}
30
31impl<T: ?Sized> AsRef<T> for Static<T> {
32    fn as_ref(&self) -> &T {
33        &self.0
34    }
35}
36
37impl<T: ?Sized> AsMut<T> for Static<T> {
38    fn as_mut(&mut self) -> &mut T {
39        &mut self.0
40    }
41}
42
43impl<T: ?Sized> Deref for Static<T> {
44    type Target = T;
45    fn deref(&self) -> &Self::Target {
46        &self.0
47    }
48}
49
50impl<T: ?Sized> DerefMut for Static<T> {
51    fn deref_mut(&mut self) -> &mut Self::Target {
52        &mut self.0
53    }
54}
55
56impl<T: ?Sized> Borrow<T> for Static<T> {
57    fn borrow(&self) -> &T {
58        &self.0
59    }
60}
61
62impl<T: ?Sized> BorrowMut<T> for Static<T> {
63    fn borrow_mut(&mut self) -> &mut T {
64        &mut self.0
65    }
66}
aiscript_arena/static_collect.rs

aiscript_arena/
static_collect.rs
