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Remove result from anchor cmp functions

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Co-authored-by: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Keith Simmons 2022-03-24 11:48:31 -07:00
parent ab631cf6c3
commit 92c7b5d6ef
11 changed files with 68 additions and 141 deletions
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19
crates/editor/src/multi_buffer/anchor.rs
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@ -1,5 +1,4 @@
use super::{ExcerptId, MultiBufferSnapshot, ToOffset, ToPoint};
use anyhow::Result;
use std::{
cmp::Ordering,
ops::{Range, Sub},
@ -35,18 +34,18 @@ impl Anchor {
&self.excerpt_id
}
pub fn cmp<'a>(&self, other: &Anchor, snapshot: &MultiBufferSnapshot) -> Result<Ordering> {
pub fn cmp<'a>(&self, other: &Anchor, snapshot: &MultiBufferSnapshot) -> Ordering {
let excerpt_id_cmp = self.excerpt_id.cmp(&other.excerpt_id);
if excerpt_id_cmp.is_eq() {
if self.excerpt_id == ExcerptId::min() || self.excerpt_id == ExcerptId::max() {
Ok(Ordering::Equal)
Ordering::Equal
} else if let Some(excerpt) = snapshot.excerpt(&self.excerpt_id) {
self.text_anchor.cmp(&other.text_anchor, &excerpt.buffer)
} else {
Ok(Ordering::Equal)
Ordering::Equal
}
} else {
Ok(excerpt_id_cmp)
excerpt_id_cmp
}
}
@ -97,17 +96,17 @@ impl ToPoint for Anchor {
}
pub trait AnchorRangeExt {
fn cmp(&self, b: &Range<Anchor>, buffer: &MultiBufferSnapshot) -> Result<Ordering>;
fn cmp(&self, b: &Range<Anchor>, buffer: &MultiBufferSnapshot) -> Ordering;
fn to_offset(&self, content: &MultiBufferSnapshot) -> Range<usize>;
fn to_point(&self, content: &MultiBufferSnapshot) -> Range<Point>;
}
impl AnchorRangeExt for Range<Anchor> {
fn cmp(&self, other: &Range<Anchor>, buffer: &MultiBufferSnapshot) -> Result<Ordering> {
Ok(match self.start.cmp(&other.start, buffer)? {
Ordering::Equal => other.end.cmp(&self.end, buffer)?,
fn cmp(&self, other: &Range<Anchor>, buffer: &MultiBufferSnapshot) -> Ordering {
match self.start.cmp(&other.start, buffer) {
Ordering::Equal => other.end.cmp(&self.end, buffer),
ord @ _ => ord,
})
}
}
fn to_offset(&self, content: &MultiBufferSnapshot) -> Range<usize> {