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Start on maintaining an insertions tree

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I'm correctly assigning fragment ids to all fragments in the fragments tree, but I have a randomized test failure when making sure that the insertions tree matches the state of the fragments tree.
This commit is contained in:
Nathan Sobo 2021-12-08 22:05:13 -07:00
parent ec54010e3c
commit dd38eb1264
4 changed files with 140 additions and 68 deletions
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10
crates/text/src/locator.rs
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@ -2,20 +2,20 @@ use smallvec::{smallvec, SmallVec};
use std::iter;
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct Locator(SmallVec<[u32; 4]>);
pub struct Locator(SmallVec<[u8; 4]>);
impl Locator {
pub fn min() -> Self {
Self(smallvec![u32::MIN])
Self(smallvec![u8::MIN])
}
pub fn max() -> Self {
Self(smallvec![u32::MAX])
Self(smallvec![u8::MAX])
}
pub fn between(lhs: &Self, rhs: &Self) -> Self {
let lhs = lhs.0.iter().copied().chain(iter::repeat(u32::MIN));
let rhs = rhs.0.iter().copied().chain(iter::repeat(u32::MAX));
let lhs = lhs.0.iter().copied().chain(iter::repeat(u8::MIN));
let rhs = rhs.0.iter().copied().chain(iter::repeat(u8::MAX));
let mut location = SmallVec::new();
for (lhs, rhs) in lhs.zip(rhs) {
let mid = lhs + (rhs.saturating_sub(lhs)) / 2;