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refactor: make Bump mode newtype

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This commit is contained in:
Zixuan Chen 2022-11-07 15:19:48 +08:00
parent c7d3e01087
commit a3df07bf5c
1 changed files with 11 additions and 4 deletions
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15
crates/rle/src/rle_tree/arena.rs
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@ -4,7 +4,14 @@ use std::{
ops::{Deref, DerefMut, Index, RangeBounds, IndexMut},
};
pub use bumpalo::Bump;
/// [Bump] will use [bumpalo] to allocate nodes, where allocation is fast but no deallocation happens before [crate::RleTree] dropped.
///
/// NOTE: Should be cautious when using [Bump] mode, T's drop method won't be called in this mode.
/// So you cannot use smart pointer in [Bump] mode directly. You should wrap it inside [bumpalo]'s [bumpalo::boxed::Box];
#[derive(Debug, Default)]
pub struct Bump(bumpalo::Bump);
fn test() {
let _a = vec![1, 2];
}
@ -88,7 +95,7 @@ impl<'bump, T: Debug + 'bump> VecTrait<'bump, T> for BumpVec<'bump, T> {
#[inline(always)]
fn with_capacity_in(capacity: usize, arena: &'bump Self::Arena) -> BumpVec<'bump, T> {
BumpVec::with_capacity_in(capacity, arena)
BumpVec::with_capacity_in(capacity, &arena.0)
}
#[inline(always)]
@ -161,11 +168,11 @@ impl Arena for Bump {
where
T: 'a + Debug,
{
self.alloc(value)
self.0.alloc(value)
}
fn allocated_bytes(&self) -> usize {
Bump::allocated_bytes(self)
bumpalo::Bump::allocated_bytes(&self.0)
}
}