1 files changed, 13 insertions, 13 deletions

diff --git a/library/core/src/iter/range.rs b/library/core/src/iter/range.rs
index 0e03d0c2d4e..7a4748dcc0d 100644
--- a/library/core/src/iter/range.rs
+++ b/library/core/src/iter/range.rs
@@ -2,7 +2,7 @@ use crate::ascii::Char as AsciiChar;
 use crate::convert::TryFrom;
 use crate::mem;
 use crate::net::{Ipv4Addr, Ipv6Addr};
-use crate::num::NonZeroUsize;
+use crate::num::NonZero;
 use crate::ops::{self, Try};
 
 use super::{
@@ -629,12 +629,12 @@ trait RangeIteratorImpl {
     // Iterator
     fn spec_next(&mut self) -> Option<Self::Item>;
     fn spec_nth(&mut self, n: usize) -> Option<Self::Item>;
-    fn spec_advance_by(&mut self, n: usize) -> Result<(), NonZeroUsize>;
+    fn spec_advance_by(&mut self, n: usize) -> Result<(), NonZero<usize>>;
 
     // DoubleEndedIterator
     fn spec_next_back(&mut self) -> Option<Self::Item>;
     fn spec_nth_back(&mut self, n: usize) -> Option<Self::Item>;
-    fn spec_advance_back_by(&mut self, n: usize) -> Result<(), NonZeroUsize>;
+    fn spec_advance_back_by(&mut self, n: usize) -> Result<(), NonZero<usize>>;
 }
 
 impl<A: Step> RangeIteratorImpl for ops::Range<A> {
@@ -666,7 +666,7 @@ impl<A: Step> RangeIteratorImpl for ops::Range<A> {
     }
 
     #[inline]
-    default fn spec_advance_by(&mut self, n: usize) -> Result<(), NonZeroUsize> {
+    default fn spec_advance_by(&mut self, n: usize) -> Result<(), NonZero<usize>> {
         let available = if self.start <= self.end {
             Step::steps_between(&self.start, &self.end).unwrap_or(usize::MAX)
         } else {
@@ -678,7 +678,7 @@ impl<A: Step> RangeIteratorImpl for ops::Range<A> {
         self.start =
             Step::forward_checked(self.start.clone(), taken).expect("`Step` invariants not upheld");
 
-        NonZeroUsize::new(n - taken).map_or(Ok(()), Err)
+        NonZero::<usize>::new(n - taken).map_or(Ok(()), Err)
     }
 
     #[inline]
@@ -707,7 +707,7 @@ impl<A: Step> RangeIteratorImpl for ops::Range<A> {
     }
 
     #[inline]
-    default fn spec_advance_back_by(&mut self, n: usize) -> Result<(), NonZeroUsize> {
+    default fn spec_advance_back_by(&mut self, n: usize) -> Result<(), NonZero<usize>> {
         let available = if self.start <= self.end {
             Step::steps_between(&self.start, &self.end).unwrap_or(usize::MAX)
         } else {
@@ -719,7 +719,7 @@ impl<A: Step> RangeIteratorImpl for ops::Range<A> {
         self.end =
             Step::backward_checked(self.end.clone(), taken).expect("`Step` invariants not upheld");
 
-        NonZeroUsize::new(n - taken).map_or(Ok(()), Err)
+        NonZero::<usize>::new(n - taken).map_or(Ok(()), Err)
     }
 }
 
@@ -751,7 +751,7 @@ impl<T: TrustedStep> RangeIteratorImpl for ops::Range<T> {
     }
 
     #[inline]
-    fn spec_advance_by(&mut self, n: usize) -> Result<(), NonZeroUsize> {
+    fn spec_advance_by(&mut self, n: usize) -> Result<(), NonZero<usize>> {
         let available = if self.start <= self.end {
             Step::steps_between(&self.start, &self.end).unwrap_or(usize::MAX)
         } else {
@@ -766,7 +766,7 @@ impl<T: TrustedStep> RangeIteratorImpl for ops::Range<T> {
         // Otherwise 0 is returned which always safe to use.
         self.start = unsafe { Step::forward_unchecked(self.start, taken) };
 
-        NonZeroUsize::new(n - taken).map_or(Ok(()), Err)
+        NonZero::<usize>::new(n - taken).map_or(Ok(()), Err)
     }
 
     #[inline]
@@ -795,7 +795,7 @@ impl<T: TrustedStep> RangeIteratorImpl for ops::Range<T> {
     }
 
     #[inline]
-    fn spec_advance_back_by(&mut self, n: usize) -> Result<(), NonZeroUsize> {
+    fn spec_advance_back_by(&mut self, n: usize) -> Result<(), NonZero<usize>> {
         let available = if self.start <= self.end {
             Step::steps_between(&self.start, &self.end).unwrap_or(usize::MAX)
         } else {
@@ -807,7 +807,7 @@ impl<T: TrustedStep> RangeIteratorImpl for ops::Range<T> {
         // SAFETY: same as the spec_advance_by() implementation
         self.end = unsafe { Step::backward_unchecked(self.end, taken) };
 
-        NonZeroUsize::new(n - taken).map_or(Ok(()), Err)
+        NonZero::<usize>::new(n - taken).map_or(Ok(()), Err)
     }
 }
 
@@ -871,7 +871,7 @@ impl<A: Step> Iterator for ops::Range<A> {
     }
 
     #[inline]
-    fn advance_by(&mut self, n: usize) -> Result<(), NonZeroUsize> {
+    fn advance_by(&mut self, n: usize) -> Result<(), NonZero<usize>> {
         self.spec_advance_by(n)
     }
 
@@ -949,7 +949,7 @@ impl<A: Step> DoubleEndedIterator for ops::Range<A> {
     }
 
     #[inline]
-    fn advance_back_by(&mut self, n: usize) -> Result<(), NonZeroUsize> {
+    fn advance_back_by(&mut self, n: usize) -> Result<(), NonZero<usize>> {
         self.spec_advance_back_by(n)
     }
 }