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Removed redundant bounds checking at Split's next and next_mut methods

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This commit is contained in:
lch361 2023-12-25 01:34:07 +03:00
parent e87ccb8676
commit b15e13760a
1 changed files with 4 additions and 4 deletions
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8
library/core/src/slice/iter.rs
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@ -458,8 +458,8 @@ fn next(&mut self) -> Option<&'a [T]> {
match self.v.iter().position(|x| (self.pred)(x)) { match self.v.iter().position(|x| (self.pred)(x)) {
None => self.finish(), None => self.finish(),
Some(idx) => { Some(idx) => {
let ret = Some(&self.v[..idx]); let ret = Some(unsafe { self.v.get_unchecked(..idx) });
self.v = &self.v[idx + 1..]; self.v = unsafe { self.v.get_unchecked(idx + 1..) };
ret ret
} }
} }
@ -491,8 +491,8 @@ fn next_back(&mut self) -> Option<&'a [T]> {
match self.v.iter().rposition(|x| (self.pred)(x)) { match self.v.iter().rposition(|x| (self.pred)(x)) {
None => self.finish(), None => self.finish(),
Some(idx) => { Some(idx) => {
let ret = Some(&self.v[idx + 1..]); let ret = Some(unsafe { self.v.get_unchecked(idx + 1..) });
self.v = &self.v[..idx]; self.v = unsafe { self.v.get_unchecked(..idx) };
ret ret
} }
} }