From 9918693037dce8aa4bb6f08741b6812923486c18 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 19 Jun 2024 11:26:03 +0200
Subject: Merging upstream version 1.76.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/itertools/src/peeking_take_while.rs | 60 +++++++++++++++++-------------
 1 file changed, 35 insertions(+), 25 deletions(-)

(limited to 'vendor/itertools/src/peeking_take_while.rs')

diff --git a/vendor/itertools/src/peeking_take_while.rs b/vendor/itertools/src/peeking_take_while.rs
index 3a3722812..b08794a8d 100644
--- a/vendor/itertools/src/peeking_take_while.rs
+++ b/vendor/itertools/src/peeking_take_while.rs
@@ -1,7 +1,7 @@
-use std::iter::Peekable;
 use crate::PutBack;
 #[cfg(feature = "use_alloc")]
 use crate::PutBackN;
+use std::iter::Peekable;
 
 /// An iterator that allows peeking at an element before deciding to accept it.
 ///
@@ -11,30 +11,35 @@ use crate::PutBackN;
 /// This is implemented by peeking adaptors like peekable and put back,
 /// but also by a few iterators that can be peeked natively, like the slice’s
 /// by reference iterator (`std::slice::Iter`).
-pub trait PeekingNext : Iterator {
+pub trait PeekingNext: Iterator {
     /// Pass a reference to the next iterator element to the closure `accept`;
     /// if `accept` returns true, return it as the next element,
     /// else None.
     fn peeking_next<F>(&mut self, accept: F) -> Option<Self::Item>
-        where Self: Sized,
-              F: FnOnce(&Self::Item) -> bool;
+    where
+        Self: Sized,
+        F: FnOnce(&Self::Item) -> bool;
 }
 
 impl<'a, I> PeekingNext for &'a mut I
-    where I: PeekingNext,
+where
+    I: PeekingNext,
 {
     fn peeking_next<F>(&mut self, accept: F) -> Option<Self::Item>
-        where F: FnOnce(&Self::Item) -> bool
+    where
+        F: FnOnce(&Self::Item) -> bool,
     {
         (*self).peeking_next(accept)
     }
 }
 
 impl<I> PeekingNext for Peekable<I>
-    where I: Iterator,
+where
+    I: Iterator,
 {
     fn peeking_next<F>(&mut self, accept: F) -> Option<Self::Item>
-        where F: FnOnce(&Self::Item) -> bool
+    where
+        F: FnOnce(&Self::Item) -> bool,
     {
         if let Some(r) = self.peek() {
             if !accept(r) {
@@ -46,10 +51,12 @@ impl<I> PeekingNext for Peekable<I>
 }
 
 impl<I> PeekingNext for PutBack<I>
-    where I: Iterator,
+where
+    I: Iterator,
 {
     fn peeking_next<F>(&mut self, accept: F) -> Option<Self::Item>
-        where F: FnOnce(&Self::Item) -> bool
+    where
+        F: FnOnce(&Self::Item) -> bool,
     {
         if let Some(r) = self.next() {
             if !accept(&r) {
@@ -65,10 +72,12 @@ impl<I> PeekingNext for PutBack<I>
 
 #[cfg(feature = "use_alloc")]
 impl<I> PeekingNext for PutBackN<I>
-    where I: Iterator,
+where
+    I: Iterator,
 {
     fn peeking_next<F>(&mut self, accept: F) -> Option<Self::Item>
-        where F: FnOnce(&Self::Item) -> bool
+    where
+        F: FnOnce(&Self::Item) -> bool,
     {
         if let Some(r) = self.next() {
             if !accept(&r) {
@@ -88,7 +97,8 @@ impl<I> PeekingNext for PutBackN<I>
 /// for more information.
 #[must_use = "iterator adaptors are lazy and do nothing unless consumed"]
 pub struct PeekingTakeWhile<'a, I: 'a, F>
-    where I: Iterator,
+where
+    I: Iterator,
 {
     iter: &'a mut I,
     f: F,
@@ -103,18 +113,16 @@ where
 
 /// Create a `PeekingTakeWhile`
 pub fn peeking_take_while<I, F>(iter: &mut I, f: F) -> PeekingTakeWhile<I, F>
-    where I: Iterator,
+where
+    I: Iterator,
 {
-    PeekingTakeWhile {
-        iter,
-        f,
-    }
+    PeekingTakeWhile { iter, f }
 }
 
 impl<'a, I, F> Iterator for PeekingTakeWhile<'a, I, F>
-    where I: PeekingNext,
-          F: FnMut(&I::Item) -> bool,
-
+where
+    I: PeekingNext,
+    F: FnMut(&I::Item) -> bool,
 {
     type Item = I::Item;
     fn next(&mut self) -> Option<Self::Item> {
@@ -127,11 +135,13 @@ impl<'a, I, F> Iterator for PeekingTakeWhile<'a, I, F>
 }
 
 impl<'a, I, F> PeekingNext for PeekingTakeWhile<'a, I, F>
-    where I: PeekingNext,
-          F: FnMut(&I::Item) -> bool,
+where
+    I: PeekingNext,
+    F: FnMut(&I::Item) -> bool,
 {
     fn peeking_next<G>(&mut self, g: G) -> Option<Self::Item>
-        where G: FnOnce(&Self::Item) -> bool,
+    where
+        G: FnOnce(&Self::Item) -> bool,
     {
         let f = &mut self.f;
         self.iter.peeking_next(|r| f(r) && g(r))
@@ -174,4 +184,4 @@ peeking_next_by_clone! { ['a, T] alloc::collections::vec_deque::Iter<'a, T> }
 
 // cloning a Rev has no extra overhead; peekable and put backs are never DEI.
 peeking_next_by_clone! { [I: Clone + PeekingNext + DoubleEndedIterator]
-                         ::std::iter::Rev<I> }
+::std::iter::Rev<I> }
-- 
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