bjoernager/rust
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rustc_data_structures: remove ref patterns and other artifacts of the past

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Maybe Waffle 2022-12-23 17:12:31 +00:00
parent 3dca58e249
commit fc6cda8603
6 changed files with 22 additions and 24 deletions
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17
compiler/rustc_data_structures/src/tiny_list.rs
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@ -37,9 +37,9 @@ impl<T: PartialEq> TinyList<T> {
#[inline]
pub fn remove(&mut self, data: &T) -> bool {
self.head = match self.head {
Some(ref mut head) if head.data == *data => head.next.take().map(|x| *x),
Some(ref mut head) => return head.remove_next(data),
self.head = match &mut self.head {
Some(head) if head.data == *data => head.next.take().map(|x| *x),
Some(head) => return head.remove_next(data),
None => return false,
};
true
@ -48,7 +48,7 @@ impl<T: PartialEq> TinyList<T> {
#[inline]
pub fn contains(&self, data: &T) -> bool {
let mut elem = self.head.as_ref();
while let Some(ref e) = elem {
while let Some(e) = elem {
if &e.data == data {
return true;
}
@ -65,15 +65,14 @@ struct Element<T> {
}
impl<T: PartialEq> Element<T> {
fn remove_next(&mut self, data: &T) -> bool {
let mut n = self;
fn remove_next(mut self: &mut Self, data: &T) -> bool {
loop {
match n.next {
match self.next {
Some(ref mut next) if next.data == *data => {
n.next = next.next.take();
self.next = next.next.take();
return true;
}
Some(ref mut next) => n = next,
Some(ref mut next) => self = next,
None => return false,
}
}