diff --git a/src/peeking_take_while.rs b/src/peeking_take_while.rs
index f830b7162..e828b717d 100644
--- a/src/peeking_take_while.rs
+++ b/src/peeking_take_while.rs
@@ -92,6 +92,57 @@ where
     }
 }
 
+#[cfg(feature = "use_alloc")]
+impl<T> PeekingNext for ::alloc::vec::IntoIter<T> {
+    fn peeking_next<F>(&mut self, accept: F) -> Option<Self::Item>
+    where
+        F: FnOnce(&Self::Item) -> bool,
+    {
+        match accept(self.as_slice().first()?) {
+            true => self.next(),
+            false => None,
+        }
+    }
+}
+
+#[cfg(feature = "use_alloc")]
+impl<'a, T> PeekingNext for ::alloc::vec::Drain<'a, T> {
+    fn peeking_next<F>(&mut self, accept: F) -> Option<Self::Item>
+    where
+        F: FnOnce(&Self::Item) -> bool,
+    {
+        match accept(self.as_slice().first()?) {
+            true => self.next(),
+            false => None,
+        }
+    }
+}
+
+#[cfg(feature = "use_alloc")]
+impl<'a> PeekingNext for ::alloc::string::Drain<'a> {
+    fn peeking_next<F>(&mut self, accept: F) -> Option<Self::Item>
+    where
+        F: FnOnce(&Self::Item) -> bool,
+    {
+        match accept(&self.as_str().chars().next()?) {
+            true => self.next(),
+            false => None,
+        }
+    }
+}
+
+impl<T, const N: usize> PeekingNext for ::core::array::IntoIter<T, N> {
+    fn peeking_next<F>(&mut self, accept: F) -> Option<Self::Item>
+    where
+        F: FnOnce(&Self::Item) -> bool,
+    {
+        match accept(self.as_slice().first()?) {
+            true => self.next(),
+            false => None,
+        }
+    }
+}
+
 impl<T: Clone> PeekingNext for RepeatN<T> {
     fn peeking_next<F>(&mut self, accept: F) -> Option<Self::Item>
     where