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refactor: simplify type

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This commit is contained in:
Zixuan Chen 2022-08-12 18:22:05 +08:00
parent 9755782cf9
commit cdb83c0d03
1 changed files with 3 additions and 9 deletions
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12
crates/rle/src/rle_tree.rs
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@ -3,12 +3,7 @@ use crate::{HasLength, Rle};
pub(self) use bumpalo::collections::vec::Vec as BumpVec; pub(self) use bumpalo::collections::vec::Vec as BumpVec;
use bumpalo::Bump; use bumpalo::Bump;
use ouroboros::self_referencing; use ouroboros::self_referencing;
use std::{ use std::marker::{PhantomData, PhantomPinned};
borrow::{Borrow, BorrowMut},
marker::{PhantomData, PhantomPinned},
pin::Pin,
ptr::NonNull,
};
use tree_trait::RleTreeTrait; use tree_trait::RleTreeTrait;
mod iter; mod iter;
mod node; mod node;
@ -27,15 +22,14 @@ pub struct RleTreeRaw<'a, T: Rle, A: RleTreeTrait<T>> {
pub struct RleTree<T: Rle + 'static, A: RleTreeTrait<T> + 'static> { pub struct RleTree<T: Rle + 'static, A: RleTreeTrait<T> + 'static> {
bump: Bump, bump: Bump,
#[borrows(bump)] #[borrows(bump)]
#[not_covariant] tree: &'this mut RleTreeRaw<'this, T, A>,
tree: RleTreeRaw<'this, T, A>,
} }
impl<T: Rle + 'static, A: RleTreeTrait<T> + 'static> Default for RleTree<T, A> { impl<T: Rle + 'static, A: RleTreeTrait<T> + 'static> Default for RleTree<T, A> {
fn default() -> Self { fn default() -> Self {
RleTreeBuilder { RleTreeBuilder {
bump: Bump::new(), bump: Bump::new(),
tree_builder: |bump| RleTreeRaw::new(bump), tree_builder: |bump| bump.alloc(RleTreeRaw::new(bump)),
} }
.build() .build()
} }