Deleted vendor folder

8 files changed, 0 insertions, 723 deletions

diff --git a/vendor/rayon/src/collections/binary_heap.rs b/vendor/rayon/src/collections/binary_heap.rs
deleted file mode 100644
index fa90312..0000000
--- a/vendor/rayon/src/collections/binary_heap.rs
+++ /dev/null
@@ -1,120 +0,0 @@
-//! This module contains the parallel iterator types for heaps
-//! (`BinaryHeap<T>`). You will rarely need to interact with it directly
-//! unless you have need to name one of the iterator types.
-
-use std::collections::BinaryHeap;
-
-use crate::iter::plumbing::*;
-use crate::iter::*;
-
-use crate::vec;
-
-/// Parallel iterator over a binary heap
-#[derive(Debug, Clone)]
-pub struct IntoIter<T: Ord + Send> {
-    inner: vec::IntoIter<T>,
-}
-
-impl<T: Ord + Send> IntoParallelIterator for BinaryHeap<T> {
-    type Item = T;
-    type Iter = IntoIter<T>;
-
-    fn into_par_iter(self) -> Self::Iter {
-        IntoIter {
-            inner: Vec::from(self).into_par_iter(),
-        }
-    }
-}
-
-delegate_indexed_iterator! {
-    IntoIter<T> => T,
-    impl<T: Ord + Send>
-}
-
-/// Parallel iterator over an immutable reference to a binary heap
-#[derive(Debug)]
-pub struct Iter<'a, T: Ord + Sync> {
-    inner: vec::IntoIter<&'a T>,
-}
-
-impl<'a, T: Ord + Sync> Clone for Iter<'a, T> {
-    fn clone(&self) -> Self {
-        Iter {
-            inner: self.inner.clone(),
-        }
-    }
-}
-
-into_par_vec! {
-    &'a BinaryHeap<T> => Iter<'a, T>,
-    impl<'a, T: Ord + Sync>
-}
-
-delegate_indexed_iterator! {
-    Iter<'a, T> => &'a T,
-    impl<'a, T: Ord + Sync + 'a>
-}
-
-// `BinaryHeap` doesn't have a mutable `Iterator`
-
-/// Draining parallel iterator that moves out of a binary heap,
-/// but keeps the total capacity.
-#[derive(Debug)]
-pub struct Drain<'a, T: Ord + Send> {
-    heap: &'a mut BinaryHeap<T>,
-}
-
-impl<'a, T: Ord + Send> ParallelDrainFull for &'a mut BinaryHeap<T> {
-    type Iter = Drain<'a, T>;
-    type Item = T;
-
-    fn par_drain(self) -> Self::Iter {
-        Drain { heap: self }
-    }
-}
-
-impl<'a, T: Ord + Send> ParallelIterator for Drain<'a, T> {
-    type Item = T;
-
-    fn drive_unindexed<C>(self, consumer: C) -> C::Result
-    where
-        C: UnindexedConsumer<Self::Item>,
-    {
-        bridge(self, consumer)
-    }
-
-    fn opt_len(&self) -> Option<usize> {
-        Some(self.len())
-    }
-}
-
-impl<'a, T: Ord + Send> IndexedParallelIterator for Drain<'a, T> {
-    fn drive<C>(self, consumer: C) -> C::Result
-    where
-        C: Consumer<Self::Item>,
-    {
-        bridge(self, consumer)
-    }
-
-    fn len(&self) -> usize {
-        self.heap.len()
-    }
-
-    fn with_producer<CB>(self, callback: CB) -> CB::Output
-    where
-        CB: ProducerCallback<Self::Item>,
-    {
-        super::DrainGuard::new(self.heap)
-            .par_drain(..)
-            .with_producer(callback)
-    }
-}
-
-impl<'a, T: Ord + Send> Drop for Drain<'a, T> {
-    fn drop(&mut self) {
-        if !self.heap.is_empty() {
-            // We must not have produced, so just call a normal drain to remove the items.
-            self.heap.drain();
-        }
-    }
-}
diff --git a/vendor/rayon/src/collections/btree_map.rs b/vendor/rayon/src/collections/btree_map.rs
deleted file mode 100644
index 12436dc..0000000
--- a/vendor/rayon/src/collections/btree_map.rs
+++ /dev/null
@@ -1,66 +0,0 @@
-//! This module contains the parallel iterator types for B-Tree maps
-//! (`BTreeMap<K, V>`). You will rarely need to interact with it directly
-//! unless you have need to name one of the iterator types.
-
-use std::collections::BTreeMap;
-
-use crate::iter::plumbing::*;
-use crate::iter::*;
-
-use crate::vec;
-
-/// Parallel iterator over a B-Tree map
-#[derive(Debug)] // std doesn't Clone
-pub struct IntoIter<K: Ord + Send, V: Send> {
-    inner: vec::IntoIter<(K, V)>,
-}
-
-into_par_vec! {
-    BTreeMap<K, V> => IntoIter<K, V>,
-    impl<K: Ord + Send, V: Send>
-}
-
-delegate_iterator! {
-    IntoIter<K, V> => (K, V),
-    impl<K: Ord + Send, V: Send>
-}
-
-/// Parallel iterator over an immutable reference to a B-Tree map
-#[derive(Debug)]
-pub struct Iter<'a, K: Ord + Sync, V: Sync> {
-    inner: vec::IntoIter<(&'a K, &'a V)>,
-}
-
-impl<'a, K: Ord + Sync, V: Sync> Clone for Iter<'a, K, V> {
-    fn clone(&self) -> Self {
-        Iter {
-            inner: self.inner.clone(),
-        }
-    }
-}
-
-into_par_vec! {
-    &'a BTreeMap<K, V> => Iter<'a, K, V>,
-    impl<'a, K: Ord + Sync, V: Sync>
-}
-
-delegate_iterator! {
-    Iter<'a, K, V> => (&'a K, &'a V),
-    impl<'a, K: Ord + Sync + 'a, V: Sync + 'a>
-}
-
-/// Parallel iterator over a mutable reference to a B-Tree map
-#[derive(Debug)]
-pub struct IterMut<'a, K: Ord + Sync, V: Send> {
-    inner: vec::IntoIter<(&'a K, &'a mut V)>,
-}
-
-into_par_vec! {
-    &'a mut BTreeMap<K, V> => IterMut<'a, K, V>,
-    impl<'a, K: Ord + Sync, V: Send>
-}
-
-delegate_iterator! {
-    IterMut<'a, K, V> => (&'a K, &'a mut V),
-    impl<'a, K: Ord + Sync + 'a, V: Send + 'a>
-}
diff --git a/vendor/rayon/src/collections/btree_set.rs b/vendor/rayon/src/collections/btree_set.rs
deleted file mode 100644
index 061d37c..0000000
--- a/vendor/rayon/src/collections/btree_set.rs
+++ /dev/null
@@ -1,52 +0,0 @@
-//! This module contains the parallel iterator types for B-Tree sets
-//! (`BTreeSet<T>`). You will rarely need to interact with it directly
-//! unless you have need to name one of the iterator types.
-
-use std::collections::BTreeSet;
-
-use crate::iter::plumbing::*;
-use crate::iter::*;
-
-use crate::vec;
-
-/// Parallel iterator over a B-Tree set
-#[derive(Debug)] // std doesn't Clone
-pub struct IntoIter<T: Ord + Send> {
-    inner: vec::IntoIter<T>,
-}
-
-into_par_vec! {
-    BTreeSet<T> => IntoIter<T>,
-    impl<T: Ord + Send>
-}
-
-delegate_iterator! {
-    IntoIter<T> => T,
-    impl<T: Ord + Send>
-}
-
-/// Parallel iterator over an immutable reference to a B-Tree set
-#[derive(Debug)]
-pub struct Iter<'a, T: Ord + Sync> {
-    inner: vec::IntoIter<&'a T>,
-}
-
-impl<'a, T: Ord + Sync + 'a> Clone for Iter<'a, T> {
-    fn clone(&self) -> Self {
-        Iter {
-            inner: self.inner.clone(),
-        }
-    }
-}
-
-into_par_vec! {
-    &'a BTreeSet<T> => Iter<'a, T>,
-    impl<'a, T: Ord + Sync>
-}
-
-delegate_iterator! {
-    Iter<'a, T> => &'a T,
-    impl<'a, T: Ord + Sync + 'a>
-}
-
-// `BTreeSet` doesn't have a mutable `Iterator`
diff --git a/vendor/rayon/src/collections/hash_map.rs b/vendor/rayon/src/collections/hash_map.rs
deleted file mode 100644
index b657851..0000000
--- a/vendor/rayon/src/collections/hash_map.rs
+++ /dev/null
@@ -1,96 +0,0 @@
-//! This module contains the parallel iterator types for hash maps
-//! (`HashMap<K, V>`). You will rarely need to interact with it directly
-//! unless you have need to name one of the iterator types.
-
-use std::collections::HashMap;
-use std::hash::{BuildHasher, Hash};
-use std::marker::PhantomData;
-
-use crate::iter::plumbing::*;
-use crate::iter::*;
-
-use crate::vec;
-
-/// Parallel iterator over a hash map
-#[derive(Debug)] // std doesn't Clone
-pub struct IntoIter<K: Hash + Eq + Send, V: Send> {
-    inner: vec::IntoIter<(K, V)>,
-}
-
-into_par_vec! {
-    HashMap<K, V, S> => IntoIter<K, V>,
-    impl<K: Hash + Eq + Send, V: Send, S: BuildHasher>
-}
-
-delegate_iterator! {
-    IntoIter<K, V> => (K, V),
-    impl<K: Hash + Eq + Send, V: Send>
-}
-
-/// Parallel iterator over an immutable reference to a hash map
-#[derive(Debug)]
-pub struct Iter<'a, K: Hash + Eq + Sync, V: Sync> {
-    inner: vec::IntoIter<(&'a K, &'a V)>,
-}
-
-impl<'a, K: Hash + Eq + Sync, V: Sync> Clone for Iter<'a, K, V> {
-    fn clone(&self) -> Self {
-        Iter {
-            inner: self.inner.clone(),
-        }
-    }
-}
-
-into_par_vec! {
-    &'a HashMap<K, V, S> => Iter<'a, K, V>,
-    impl<'a, K: Hash + Eq + Sync, V: Sync, S: BuildHasher>
-}
-
-delegate_iterator! {
-    Iter<'a, K, V> => (&'a K, &'a V),
-    impl<'a, K: Hash + Eq + Sync + 'a, V: Sync + 'a>
-}
-
-/// Parallel iterator over a mutable reference to a hash map
-#[derive(Debug)]
-pub struct IterMut<'a, K: Hash + Eq + Sync, V: Send> {
-    inner: vec::IntoIter<(&'a K, &'a mut V)>,
-}
-
-into_par_vec! {
-    &'a mut HashMap<K, V, S> => IterMut<'a, K, V>,
-    impl<'a, K: Hash + Eq + Sync, V: Send, S: BuildHasher>
-}
-
-delegate_iterator! {
-    IterMut<'a, K, V> => (&'a K, &'a mut V),
-    impl<'a, K: Hash + Eq + Sync + 'a, V: Send + 'a>
-}
-
-/// Draining parallel iterator that moves out of a hash map,
-/// but keeps the total capacity.
-#[derive(Debug)]
-pub struct Drain<'a, K: Hash + Eq + Send, V: Send> {
-    inner: vec::IntoIter<(K, V)>,
-    marker: PhantomData<&'a mut HashMap<K, V>>,
-}
-
-impl<'a, K: Hash + Eq + Send, V: Send, S: BuildHasher> ParallelDrainFull
-    for &'a mut HashMap<K, V, S>
-{
-    type Iter = Drain<'a, K, V>;
-    type Item = (K, V);
-
-    fn par_drain(self) -> Self::Iter {
-        let vec: Vec<_> = self.drain().collect();
-        Drain {
-            inner: vec.into_par_iter(),
-            marker: PhantomData,
-        }
-    }
-}
-
-delegate_iterator! {
-    Drain<'_, K, V> => (K, V),
-    impl<K: Hash + Eq + Send, V: Send>
-}
diff --git a/vendor/rayon/src/collections/hash_set.rs b/vendor/rayon/src/collections/hash_set.rs
deleted file mode 100644
index b6ee1c1..0000000
--- a/vendor/rayon/src/collections/hash_set.rs
+++ /dev/null
@@ -1,80 +0,0 @@
-//! This module contains the parallel iterator types for hash sets
-//! (`HashSet<T>`). You will rarely need to interact with it directly
-//! unless you have need to name one of the iterator types.
-
-use std::collections::HashSet;
-use std::hash::{BuildHasher, Hash};
-use std::marker::PhantomData;
-
-use crate::iter::plumbing::*;
-use crate::iter::*;
-
-use crate::vec;
-
-/// Parallel iterator over a hash set
-#[derive(Debug)] // std doesn't Clone
-pub struct IntoIter<T: Hash + Eq + Send> {
-    inner: vec::IntoIter<T>,
-}
-
-into_par_vec! {
-    HashSet<T, S> => IntoIter<T>,
-    impl<T: Hash + Eq + Send, S: BuildHasher>
-}
-
-delegate_iterator! {
-    IntoIter<T> => T,
-    impl<T: Hash + Eq + Send>
-}
-
-/// Parallel iterator over an immutable reference to a hash set
-#[derive(Debug)]
-pub struct Iter<'a, T: Hash + Eq + Sync> {
-    inner: vec::IntoIter<&'a T>,
-}
-
-impl<'a, T: Hash + Eq + Sync> Clone for Iter<'a, T> {
-    fn clone(&self) -> Self {
-        Iter {
-            inner: self.inner.clone(),
-        }
-    }
-}
-
-into_par_vec! {
-    &'a HashSet<T, S> => Iter<'a, T>,
-    impl<'a, T: Hash + Eq + Sync, S: BuildHasher>
-}
-
-delegate_iterator! {
-    Iter<'a, T> => &'a T,
-    impl<'a, T: Hash + Eq + Sync + 'a>
-}
-
-// `HashSet` doesn't have a mutable `Iterator`
-
-/// Draining parallel iterator that moves out of a hash set,
-/// but keeps the total capacity.
-#[derive(Debug)]
-pub struct Drain<'a, T: Hash + Eq + Send> {
-    inner: vec::IntoIter<T>,
-    marker: PhantomData<&'a mut HashSet<T>>,
-}
-
-impl<'a, T: Hash + Eq + Send, S: BuildHasher> ParallelDrainFull for &'a mut HashSet<T, S> {
-    type Iter = Drain<'a, T>;
-    type Item = T;
-
-    fn par_drain(self) -> Self::Iter {
-        let vec: Vec<_> = self.drain().collect();
-        Drain {
-            inner: vec.into_par_iter(),
-            marker: PhantomData,
-        }
-    }
-}
-
-delegate_iterator! {
-    Drain<'_, T> => T,
-    impl<T: Hash + Eq + Send>
-}
diff --git a/vendor/rayon/src/collections/linked_list.rs b/vendor/rayon/src/collections/linked_list.rs
deleted file mode 100644
index bddd2b0..0000000
--- a/vendor/rayon/src/collections/linked_list.rs
+++ /dev/null
@@ -1,66 +0,0 @@
-//! This module contains the parallel iterator types for linked lists
-//! (`LinkedList<T>`). You will rarely need to interact with it directly
-//! unless you have need to name one of the iterator types.
-
-use std::collections::LinkedList;
-
-use crate::iter::plumbing::*;
-use crate::iter::*;
-
-use crate::vec;
-
-/// Parallel iterator over a linked list
-#[derive(Debug, Clone)]
-pub struct IntoIter<T: Send> {
-    inner: vec::IntoIter<T>,
-}
-
-into_par_vec! {
-    LinkedList<T> => IntoIter<T>,
-    impl<T: Send>
-}
-
-delegate_iterator! {
-    IntoIter<T> => T,
-    impl<T: Send>
-}
-
-/// Parallel iterator over an immutable reference to a linked list
-#[derive(Debug)]
-pub struct Iter<'a, T: Sync> {
-    inner: vec::IntoIter<&'a T>,
-}
-
-impl<'a, T: Sync> Clone for Iter<'a, T> {
-    fn clone(&self) -> Self {
-        Iter {
-            inner: self.inner.clone(),
-        }
-    }
-}
-
-into_par_vec! {
-    &'a LinkedList<T> => Iter<'a, T>,
-    impl<'a, T: Sync>
-}
-
-delegate_iterator! {
-    Iter<'a, T> => &'a T,
-    impl<'a, T: Sync + 'a>
-}
-
-/// Parallel iterator over a mutable reference to a linked list
-#[derive(Debug)]
-pub struct IterMut<'a, T: Send> {
-    inner: vec::IntoIter<&'a mut T>,
-}
-
-into_par_vec! {
-    &'a mut LinkedList<T> => IterMut<'a, T>,
-    impl<'a, T: Send>
-}
-
-delegate_iterator! {
-    IterMut<'a, T> => &'a mut T,
-    impl<'a, T: Send + 'a>
-}
diff --git a/vendor/rayon/src/collections/mod.rs b/vendor/rayon/src/collections/mod.rs
deleted file mode 100644
index 3c99f32..0000000
--- a/vendor/rayon/src/collections/mod.rs
+++ /dev/null
@@ -1,84 +0,0 @@
-//! Parallel iterator types for [standard collections][std::collections]
-//!
-//! You will rarely need to interact with this module directly unless you need
-//! to name one of the iterator types.
-//!
-//! [std::collections]: https://doc.rust-lang.org/stable/std/collections/
-
-/// Convert an iterable collection into a parallel iterator by first
-/// collecting into a temporary `Vec`, then iterating that.
-macro_rules! into_par_vec {
-    ($t:ty => $iter:ident<$($i:tt),*>, impl $($args:tt)*) => {
-        impl $($args)* IntoParallelIterator for $t {
-            type Item = <$t as IntoIterator>::Item;
-            type Iter = $iter<$($i),*>;
-
-            fn into_par_iter(self) -> Self::Iter {
-                use std::iter::FromIterator;
-                $iter { inner: Vec::from_iter(self).into_par_iter() }
-            }
-        }
-    };
-}
-
-pub mod binary_heap;
-pub mod btree_map;
-pub mod btree_set;
-pub mod hash_map;
-pub mod hash_set;
-pub mod linked_list;
-pub mod vec_deque;
-
-use self::drain_guard::DrainGuard;
-
-mod drain_guard {
-    use crate::iter::ParallelDrainRange;
-    use std::mem;
-    use std::ops::RangeBounds;
-
-    /// A proxy for draining a collection by converting to a `Vec` and back.
-    ///
-    /// This is used for draining `BinaryHeap` and `VecDeque`, which both have
-    /// zero-allocation conversions to/from `Vec`, though not zero-cost:
-    /// - `BinaryHeap` will heapify from `Vec`, but at least that will be empty.
-    /// - `VecDeque` has to shift items to offset 0 when converting to `Vec`.
-    #[allow(missing_debug_implementations)]
-    pub(super) struct DrainGuard<'a, T, C: From<Vec<T>>> {
-        collection: &'a mut C,
-        vec: Vec<T>,
-    }
-
-    impl<'a, T, C> DrainGuard<'a, T, C>
-    where
-        C: Default + From<Vec<T>>,
-        Vec<T>: From<C>,
-    {
-        pub(super) fn new(collection: &'a mut C) -> Self {
-            Self {
-                // Temporarily steal the inner `Vec` so we can drain in place.
-                vec: Vec::from(mem::take(collection)),
-                collection,
-            }
-        }
-    }
-
-    impl<'a, T, C: From<Vec<T>>> Drop for DrainGuard<'a, T, C> {
-        fn drop(&mut self) {
-            // Restore the collection from the `Vec` with its original capacity.
-            *self.collection = C::from(mem::take(&mut self.vec));
-        }
-    }
-
-    impl<'a, T, C> ParallelDrainRange<usize> for &'a mut DrainGuard<'_, T, C>
-    where
-        T: Send,
-        C: From<Vec<T>>,
-    {
-        type Iter = crate::vec::Drain<'a, T>;
-        type Item = T;
-
-        fn par_drain<R: RangeBounds<usize>>(self, range: R) -> Self::Iter {
-            self.vec.par_drain(range)
-        }
-    }
-}
diff --git a/vendor/rayon/src/collections/vec_deque.rs b/vendor/rayon/src/collections/vec_deque.rs
deleted file mode 100644
index f87ce6b..0000000
--- a/vendor/rayon/src/collections/vec_deque.rs
+++ /dev/null
@@ -1,159 +0,0 @@
-//! This module contains the parallel iterator types for double-ended queues
-//! (`VecDeque<T>`). You will rarely need to interact with it directly
-//! unless you have need to name one of the iterator types.
-
-use std::collections::VecDeque;
-use std::ops::{Range, RangeBounds};
-
-use crate::iter::plumbing::*;
-use crate::iter::*;
-use crate::math::simplify_range;
-
-use crate::slice;
-use crate::vec;
-
-/// Parallel iterator over a double-ended queue
-#[derive(Debug, Clone)]
-pub struct IntoIter<T: Send> {
-    inner: vec::IntoIter<T>,
-}
-
-impl<T: Send> IntoParallelIterator for VecDeque<T> {
-    type Item = T;
-    type Iter = IntoIter<T>;
-
-    fn into_par_iter(self) -> Self::Iter {
-        // NOTE: requires data movement if the deque doesn't start at offset 0.
-        let inner = Vec::from(self).into_par_iter();
-        IntoIter { inner }
-    }
-}
-
-delegate_indexed_iterator! {
-    IntoIter<T> => T,
-    impl<T: Send>
-}
-
-/// Parallel iterator over an immutable reference to a double-ended queue
-#[derive(Debug)]
-pub struct Iter<'a, T: Sync> {
-    inner: Chain<slice::Iter<'a, T>, slice::Iter<'a, T>>,
-}
-
-impl<'a, T: Sync> Clone for Iter<'a, T> {
-    fn clone(&self) -> Self {
-        Iter {
-            inner: self.inner.clone(),
-        }
-    }
-}
-
-impl<'a, T: Sync> IntoParallelIterator for &'a VecDeque<T> {
-    type Item = &'a T;
-    type Iter = Iter<'a, T>;
-
-    fn into_par_iter(self) -> Self::Iter {
-        let (a, b) = self.as_slices();
-        Iter {
-            inner: a.into_par_iter().chain(b),
-        }
-    }
-}
-
-delegate_indexed_iterator! {
-    Iter<'a, T> => &'a T,
-    impl<'a, T: Sync + 'a>
-}
-
-/// Parallel iterator over a mutable reference to a double-ended queue
-#[derive(Debug)]
-pub struct IterMut<'a, T: Send> {
-    inner: Chain<slice::IterMut<'a, T>, slice::IterMut<'a, T>>,
-}
-
-impl<'a, T: Send> IntoParallelIterator for &'a mut VecDeque<T> {
-    type Item = &'a mut T;
-    type Iter = IterMut<'a, T>;
-
-    fn into_par_iter(self) -> Self::Iter {
-        let (a, b) = self.as_mut_slices();
-        IterMut {
-            inner: a.into_par_iter().chain(b),
-        }
-    }
-}
-
-delegate_indexed_iterator! {
-    IterMut<'a, T> => &'a mut T,
-    impl<'a, T: Send + 'a>
-}
-
-/// Draining parallel iterator that moves a range out of a double-ended queue,
-/// but keeps the total capacity.
-#[derive(Debug)]
-pub struct Drain<'a, T: Send> {
-    deque: &'a mut VecDeque<T>,
-    range: Range<usize>,
-    orig_len: usize,
-}
-
-impl<'a, T: Send> ParallelDrainRange<usize> for &'a mut VecDeque<T> {
-    type Iter = Drain<'a, T>;
-    type Item = T;
-
-    fn par_drain<R: RangeBounds<usize>>(self, range: R) -> Self::Iter {
-        Drain {
-            orig_len: self.len(),
-            range: simplify_range(range, self.len()),
-            deque: self,
-        }
-    }
-}
-
-impl<'a, T: Send> ParallelIterator for Drain<'a, T> {
-    type Item = T;
-
-    fn drive_unindexed<C>(self, consumer: C) -> C::Result
-    where
-        C: UnindexedConsumer<Self::Item>,
-    {
-        bridge(self, consumer)
-    }
-
-    fn opt_len(&self) -> Option<usize> {
-        Some(self.len())
-    }
-}
-
-impl<'a, T: Send> IndexedParallelIterator for Drain<'a, T> {
-    fn drive<C>(self, consumer: C) -> C::Result
-    where
-        C: Consumer<Self::Item>,
-    {
-        bridge(self, consumer)
-    }
-
-    fn len(&self) -> usize {
-        self.range.len()
-    }
-
-    fn with_producer<CB>(self, callback: CB) -> CB::Output
-    where
-        CB: ProducerCallback<Self::Item>,
-    {
-        // NOTE: requires data movement if the deque doesn't start at offset 0.
-        super::DrainGuard::new(self.deque)
-            .par_drain(self.range.clone())
-            .with_producer(callback)
-    }
-}
-
-impl<'a, T: Send> Drop for Drain<'a, T> {
-    fn drop(&mut self) {
-        if self.deque.len() != self.orig_len - self.range.len() {
-            // We must not have produced, so just call a normal drain to remove the items.
-            assert_eq!(self.deque.len(), self.orig_len);
-            self.deque.drain(self.range.clone());
-        }
-    }
-}