Merging upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 6 insertions, 4 deletions

diff --git a/vendor/itertools/src/multipeek_impl.rs b/vendor/itertools/src/multipeek_impl.rs
index 5917681fc..8b49c695e 100644
--- a/vendor/itertools/src/multipeek_impl.rs
+++ b/vendor/itertools/src/multipeek_impl.rs
@@ -2,6 +2,8 @@ use std::iter::Fuse;
 use alloc::collections::VecDeque;
 use crate::size_hint;
 use crate::PeekingNext;
+#[cfg(doc)]
+use crate::Itertools;
 
 /// See [`multipeek()`] for more information.
 #[derive(Clone, Debug)]
@@ -15,6 +17,8 @@ pub struct MultiPeek<I>
 
 /// An iterator adaptor that allows the user to peek at multiple `.next()`
 /// values without advancing the base iterator.
+///
+/// [`IntoIterator`] enabled version of [`Itertools::multipeek`].
 pub fn multipeek<I>(iterable: I) -> MultiPeek<I::IntoIter>
     where I: IntoIterator
 {
@@ -67,10 +71,8 @@ impl<I> PeekingNext for MultiPeek<I>
             if let Some(r) = self.peek() {
                 if !accept(r) { return None }
             }
-        } else {
-            if let Some(r) = self.buf.get(0) {
-                if !accept(r) { return None }
-            }
+        } else if let Some(r) = self.buf.get(0) {
+            if !accept(r) { return None }
         }
         self.next()
     }