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-rw-r--r--vendor/indexmap/src/set/iter.rs543
-rw-r--r--vendor/indexmap/src/set/slice.rs278
-rw-r--r--vendor/indexmap/src/set/tests.rs545
3 files changed, 1366 insertions, 0 deletions
diff --git a/vendor/indexmap/src/set/iter.rs b/vendor/indexmap/src/set/iter.rs
new file mode 100644
index 0000000..828756d
--- /dev/null
+++ b/vendor/indexmap/src/set/iter.rs
@@ -0,0 +1,543 @@
+use super::{Bucket, Entries, IndexSet, Slice};
+
+use alloc::vec::{self, Vec};
+use core::fmt;
+use core::hash::{BuildHasher, Hash};
+use core::iter::{Chain, FusedIterator};
+use core::slice::Iter as SliceIter;
+
+impl<'a, T, S> IntoIterator for &'a IndexSet<T, S> {
+ type Item = &'a T;
+ type IntoIter = Iter<'a, T>;
+
+ fn into_iter(self) -> Self::IntoIter {
+ self.iter()
+ }
+}
+
+impl<T, S> IntoIterator for IndexSet<T, S> {
+ type Item = T;
+ type IntoIter = IntoIter<T>;
+
+ fn into_iter(self) -> Self::IntoIter {
+ IntoIter::new(self.into_entries())
+ }
+}
+
+/// An iterator over the items of a `IndexSet`.
+///
+/// This `struct` is created by the [`iter`] method on [`IndexSet`].
+/// See its documentation for more.
+///
+/// [`IndexSet`]: struct.IndexSet.html
+/// [`iter`]: struct.IndexSet.html#method.iter
+pub struct Iter<'a, T> {
+ iter: SliceIter<'a, Bucket<T>>,
+}
+
+impl<'a, T> Iter<'a, T> {
+ pub(super) fn new(entries: &'a [Bucket<T>]) -> Self {
+ Self {
+ iter: entries.iter(),
+ }
+ }
+
+ /// Returns a slice of the remaining entries in the iterator.
+ pub fn as_slice(&self) -> &'a Slice<T> {
+ Slice::from_slice(self.iter.as_slice())
+ }
+}
+
+impl<'a, T> Iterator for Iter<'a, T> {
+ type Item = &'a T;
+
+ iterator_methods!(Bucket::key_ref);
+}
+
+impl<T> DoubleEndedIterator for Iter<'_, T> {
+ double_ended_iterator_methods!(Bucket::key_ref);
+}
+
+impl<T> ExactSizeIterator for Iter<'_, T> {
+ fn len(&self) -> usize {
+ self.iter.len()
+ }
+}
+
+impl<T> FusedIterator for Iter<'_, T> {}
+
+impl<T> Clone for Iter<'_, T> {
+ fn clone(&self) -> Self {
+ Iter {
+ iter: self.iter.clone(),
+ }
+ }
+}
+
+impl<T: fmt::Debug> fmt::Debug for Iter<'_, T> {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ f.debug_list().entries(self.clone()).finish()
+ }
+}
+
+impl<T> Default for Iter<'_, T> {
+ fn default() -> Self {
+ Self { iter: [].iter() }
+ }
+}
+
+/// An owning iterator over the items of a `IndexSet`.
+///
+/// This `struct` is created by the [`into_iter`] method on [`IndexSet`]
+/// (provided by the `IntoIterator` trait). See its documentation for more.
+///
+/// [`IndexSet`]: struct.IndexSet.html
+/// [`into_iter`]: struct.IndexSet.html#method.into_iter
+pub struct IntoIter<T> {
+ iter: vec::IntoIter<Bucket<T>>,
+}
+
+impl<T> IntoIter<T> {
+ pub(super) fn new(entries: Vec<Bucket<T>>) -> Self {
+ Self {
+ iter: entries.into_iter(),
+ }
+ }
+
+ /// Returns a slice of the remaining entries in the iterator.
+ pub fn as_slice(&self) -> &Slice<T> {
+ Slice::from_slice(self.iter.as_slice())
+ }
+}
+
+impl<T> Iterator for IntoIter<T> {
+ type Item = T;
+
+ iterator_methods!(Bucket::key);
+}
+
+impl<T> DoubleEndedIterator for IntoIter<T> {
+ double_ended_iterator_methods!(Bucket::key);
+}
+
+impl<T> ExactSizeIterator for IntoIter<T> {
+ fn len(&self) -> usize {
+ self.iter.len()
+ }
+}
+
+impl<T> FusedIterator for IntoIter<T> {}
+
+impl<T: fmt::Debug> fmt::Debug for IntoIter<T> {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ let iter = self.iter.as_slice().iter().map(Bucket::key_ref);
+ f.debug_list().entries(iter).finish()
+ }
+}
+
+impl<T> Default for IntoIter<T> {
+ fn default() -> Self {
+ Self {
+ iter: Vec::new().into_iter(),
+ }
+ }
+}
+
+/// A draining iterator over the items of a `IndexSet`.
+///
+/// This `struct` is created by the [`drain`] method on [`IndexSet`].
+/// See its documentation for more.
+///
+/// [`IndexSet`]: struct.IndexSet.html
+/// [`drain`]: struct.IndexSet.html#method.drain
+pub struct Drain<'a, T> {
+ iter: vec::Drain<'a, Bucket<T>>,
+}
+
+impl<'a, T> Drain<'a, T> {
+ pub(super) fn new(iter: vec::Drain<'a, Bucket<T>>) -> Self {
+ Self { iter }
+ }
+
+ /// Returns a slice of the remaining entries in the iterator.
+ pub fn as_slice(&self) -> &Slice<T> {
+ Slice::from_slice(self.iter.as_slice())
+ }
+}
+
+impl<T> Iterator for Drain<'_, T> {
+ type Item = T;
+
+ iterator_methods!(Bucket::key);
+}
+
+impl<T> DoubleEndedIterator for Drain<'_, T> {
+ double_ended_iterator_methods!(Bucket::key);
+}
+
+impl<T> ExactSizeIterator for Drain<'_, T> {
+ fn len(&self) -> usize {
+ self.iter.len()
+ }
+}
+
+impl<T> FusedIterator for Drain<'_, T> {}
+
+impl<T: fmt::Debug> fmt::Debug for Drain<'_, T> {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ let iter = self.iter.as_slice().iter().map(Bucket::key_ref);
+ f.debug_list().entries(iter).finish()
+ }
+}
+
+/// A lazy iterator producing elements in the difference of `IndexSet`s.
+///
+/// This `struct` is created by the [`difference`] method on [`IndexSet`].
+/// See its documentation for more.
+///
+/// [`IndexSet`]: struct.IndexSet.html
+/// [`difference`]: struct.IndexSet.html#method.difference
+pub struct Difference<'a, T, S> {
+ iter: Iter<'a, T>,
+ other: &'a IndexSet<T, S>,
+}
+
+impl<'a, T, S> Difference<'a, T, S> {
+ pub(super) fn new<S1>(set: &'a IndexSet<T, S1>, other: &'a IndexSet<T, S>) -> Self {
+ Self {
+ iter: set.iter(),
+ other,
+ }
+ }
+}
+
+impl<'a, T, S> Iterator for Difference<'a, T, S>
+where
+ T: Eq + Hash,
+ S: BuildHasher,
+{
+ type Item = &'a T;
+
+ fn next(&mut self) -> Option<Self::Item> {
+ while let Some(item) = self.iter.next() {
+ if !self.other.contains(item) {
+ return Some(item);
+ }
+ }
+ None
+ }
+
+ fn size_hint(&self) -> (usize, Option<usize>) {
+ (0, self.iter.size_hint().1)
+ }
+}
+
+impl<T, S> DoubleEndedIterator for Difference<'_, T, S>
+where
+ T: Eq + Hash,
+ S: BuildHasher,
+{
+ fn next_back(&mut self) -> Option<Self::Item> {
+ while let Some(item) = self.iter.next_back() {
+ if !self.other.contains(item) {
+ return Some(item);
+ }
+ }
+ None
+ }
+}
+
+impl<T, S> FusedIterator for Difference<'_, T, S>
+where
+ T: Eq + Hash,
+ S: BuildHasher,
+{
+}
+
+impl<T, S> Clone for Difference<'_, T, S> {
+ fn clone(&self) -> Self {
+ Difference {
+ iter: self.iter.clone(),
+ ..*self
+ }
+ }
+}
+
+impl<T, S> fmt::Debug for Difference<'_, T, S>
+where
+ T: fmt::Debug + Eq + Hash,
+ S: BuildHasher,
+{
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ f.debug_list().entries(self.clone()).finish()
+ }
+}
+
+/// A lazy iterator producing elements in the intersection of `IndexSet`s.
+///
+/// This `struct` is created by the [`intersection`] method on [`IndexSet`].
+/// See its documentation for more.
+///
+/// [`IndexSet`]: struct.IndexSet.html
+/// [`intersection`]: struct.IndexSet.html#method.intersection
+pub struct Intersection<'a, T, S> {
+ iter: Iter<'a, T>,
+ other: &'a IndexSet<T, S>,
+}
+
+impl<'a, T, S> Intersection<'a, T, S> {
+ pub(super) fn new<S1>(set: &'a IndexSet<T, S1>, other: &'a IndexSet<T, S>) -> Self {
+ Self {
+ iter: set.iter(),
+ other,
+ }
+ }
+}
+
+impl<'a, T, S> Iterator for Intersection<'a, T, S>
+where
+ T: Eq + Hash,
+ S: BuildHasher,
+{
+ type Item = &'a T;
+
+ fn next(&mut self) -> Option<Self::Item> {
+ while let Some(item) = self.iter.next() {
+ if self.other.contains(item) {
+ return Some(item);
+ }
+ }
+ None
+ }
+
+ fn size_hint(&self) -> (usize, Option<usize>) {
+ (0, self.iter.size_hint().1)
+ }
+}
+
+impl<T, S> DoubleEndedIterator for Intersection<'_, T, S>
+where
+ T: Eq + Hash,
+ S: BuildHasher,
+{
+ fn next_back(&mut self) -> Option<Self::Item> {
+ while let Some(item) = self.iter.next_back() {
+ if self.other.contains(item) {
+ return Some(item);
+ }
+ }
+ None
+ }
+}
+
+impl<T, S> FusedIterator for Intersection<'_, T, S>
+where
+ T: Eq + Hash,
+ S: BuildHasher,
+{
+}
+
+impl<T, S> Clone for Intersection<'_, T, S> {
+ fn clone(&self) -> Self {
+ Intersection {
+ iter: self.iter.clone(),
+ ..*self
+ }
+ }
+}
+
+impl<T, S> fmt::Debug for Intersection<'_, T, S>
+where
+ T: fmt::Debug + Eq + Hash,
+ S: BuildHasher,
+{
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ f.debug_list().entries(self.clone()).finish()
+ }
+}
+
+/// A lazy iterator producing elements in the symmetric difference of `IndexSet`s.
+///
+/// This `struct` is created by the [`symmetric_difference`] method on
+/// [`IndexSet`]. See its documentation for more.
+///
+/// [`IndexSet`]: struct.IndexSet.html
+/// [`symmetric_difference`]: struct.IndexSet.html#method.symmetric_difference
+pub struct SymmetricDifference<'a, T, S1, S2> {
+ iter: Chain<Difference<'a, T, S2>, Difference<'a, T, S1>>,
+}
+
+impl<'a, T, S1, S2> SymmetricDifference<'a, T, S1, S2>
+where
+ T: Eq + Hash,
+ S1: BuildHasher,
+ S2: BuildHasher,
+{
+ pub(super) fn new(set1: &'a IndexSet<T, S1>, set2: &'a IndexSet<T, S2>) -> Self {
+ let diff1 = set1.difference(set2);
+ let diff2 = set2.difference(set1);
+ Self {
+ iter: diff1.chain(diff2),
+ }
+ }
+}
+
+impl<'a, T, S1, S2> Iterator for SymmetricDifference<'a, T, S1, S2>
+where
+ T: Eq + Hash,
+ S1: BuildHasher,
+ S2: BuildHasher,
+{
+ type Item = &'a T;
+
+ fn next(&mut self) -> Option<Self::Item> {
+ self.iter.next()
+ }
+
+ fn size_hint(&self) -> (usize, Option<usize>) {
+ self.iter.size_hint()
+ }
+
+ fn fold<B, F>(self, init: B, f: F) -> B
+ where
+ F: FnMut(B, Self::Item) -> B,
+ {
+ self.iter.fold(init, f)
+ }
+}
+
+impl<T, S1, S2> DoubleEndedIterator for SymmetricDifference<'_, T, S1, S2>
+where
+ T: Eq + Hash,
+ S1: BuildHasher,
+ S2: BuildHasher,
+{
+ fn next_back(&mut self) -> Option<Self::Item> {
+ self.iter.next_back()
+ }
+
+ fn rfold<B, F>(self, init: B, f: F) -> B
+ where
+ F: FnMut(B, Self::Item) -> B,
+ {
+ self.iter.rfold(init, f)
+ }
+}
+
+impl<T, S1, S2> FusedIterator for SymmetricDifference<'_, T, S1, S2>
+where
+ T: Eq + Hash,
+ S1: BuildHasher,
+ S2: BuildHasher,
+{
+}
+
+impl<T, S1, S2> Clone for SymmetricDifference<'_, T, S1, S2> {
+ fn clone(&self) -> Self {
+ SymmetricDifference {
+ iter: self.iter.clone(),
+ }
+ }
+}
+
+impl<T, S1, S2> fmt::Debug for SymmetricDifference<'_, T, S1, S2>
+where
+ T: fmt::Debug + Eq + Hash,
+ S1: BuildHasher,
+ S2: BuildHasher,
+{
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ f.debug_list().entries(self.clone()).finish()
+ }
+}
+
+/// A lazy iterator producing elements in the union of `IndexSet`s.
+///
+/// This `struct` is created by the [`union`] method on [`IndexSet`].
+/// See its documentation for more.
+///
+/// [`IndexSet`]: struct.IndexSet.html
+/// [`union`]: struct.IndexSet.html#method.union
+pub struct Union<'a, T, S> {
+ iter: Chain<Iter<'a, T>, Difference<'a, T, S>>,
+}
+
+impl<'a, T, S> Union<'a, T, S>
+where
+ T: Eq + Hash,
+ S: BuildHasher,
+{
+ pub(super) fn new<S2>(set1: &'a IndexSet<T, S>, set2: &'a IndexSet<T, S2>) -> Self
+ where
+ S2: BuildHasher,
+ {
+ Self {
+ iter: set1.iter().chain(set2.difference(set1)),
+ }
+ }
+}
+
+impl<'a, T, S> Iterator for Union<'a, T, S>
+where
+ T: Eq + Hash,
+ S: BuildHasher,
+{
+ type Item = &'a T;
+
+ fn next(&mut self) -> Option<Self::Item> {
+ self.iter.next()
+ }
+
+ fn size_hint(&self) -> (usize, Option<usize>) {
+ self.iter.size_hint()
+ }
+
+ fn fold<B, F>(self, init: B, f: F) -> B
+ where
+ F: FnMut(B, Self::Item) -> B,
+ {
+ self.iter.fold(init, f)
+ }
+}
+
+impl<T, S> DoubleEndedIterator for Union<'_, T, S>
+where
+ T: Eq + Hash,
+ S: BuildHasher,
+{
+ fn next_back(&mut self) -> Option<Self::Item> {
+ self.iter.next_back()
+ }
+
+ fn rfold<B, F>(self, init: B, f: F) -> B
+ where
+ F: FnMut(B, Self::Item) -> B,
+ {
+ self.iter.rfold(init, f)
+ }
+}
+
+impl<T, S> FusedIterator for Union<'_, T, S>
+where
+ T: Eq + Hash,
+ S: BuildHasher,
+{
+}
+
+impl<T, S> Clone for Union<'_, T, S> {
+ fn clone(&self) -> Self {
+ Union {
+ iter: self.iter.clone(),
+ }
+ }
+}
+
+impl<T, S> fmt::Debug for Union<'_, T, S>
+where
+ T: fmt::Debug + Eq + Hash,
+ S: BuildHasher,
+{
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ f.debug_list().entries(self.clone()).finish()
+ }
+}
diff --git a/vendor/indexmap/src/set/slice.rs b/vendor/indexmap/src/set/slice.rs
new file mode 100644
index 0000000..608311d
--- /dev/null
+++ b/vendor/indexmap/src/set/slice.rs
@@ -0,0 +1,278 @@
+use super::{Bucket, Entries, IndexSet, IntoIter, Iter};
+use crate::util::try_simplify_range;
+
+use alloc::boxed::Box;
+use alloc::vec::Vec;
+use core::cmp::Ordering;
+use core::fmt;
+use core::hash::{Hash, Hasher};
+use core::ops::{self, Bound, Index, RangeBounds};
+
+/// A dynamically-sized slice of values in an `IndexSet`.
+///
+/// This supports indexed operations much like a `[T]` slice,
+/// but not any hashed operations on the values.
+///
+/// Unlike `IndexSet`, `Slice` does consider the order for `PartialEq`
+/// and `Eq`, and it also implements `PartialOrd`, `Ord`, and `Hash`.
+#[repr(transparent)]
+pub struct Slice<T> {
+ pub(crate) entries: [Bucket<T>],
+}
+
+// SAFETY: `Slice<T>` is a transparent wrapper around `[Bucket<T>]`,
+// and reference lifetimes are bound together in function signatures.
+#[allow(unsafe_code)]
+impl<T> Slice<T> {
+ pub(super) fn from_slice(entries: &[Bucket<T>]) -> &Self {
+ unsafe { &*(entries as *const [Bucket<T>] as *const Self) }
+ }
+
+ pub(super) fn from_boxed(entries: Box<[Bucket<T>]>) -> Box<Self> {
+ unsafe { Box::from_raw(Box::into_raw(entries) as *mut Self) }
+ }
+
+ fn into_boxed(self: Box<Self>) -> Box<[Bucket<T>]> {
+ unsafe { Box::from_raw(Box::into_raw(self) as *mut [Bucket<T>]) }
+ }
+}
+
+impl<T> Slice<T> {
+ pub(crate) fn into_entries(self: Box<Self>) -> Vec<Bucket<T>> {
+ self.into_boxed().into_vec()
+ }
+
+ /// Return the number of elements in the set slice.
+ pub fn len(&self) -> usize {
+ self.entries.len()
+ }
+
+ /// Returns true if the set slice contains no elements.
+ pub fn is_empty(&self) -> bool {
+ self.entries.is_empty()
+ }
+
+ /// Get a value by index.
+ ///
+ /// Valid indices are *0 <= index < self.len()*
+ pub fn get_index(&self, index: usize) -> Option<&T> {
+ self.entries.get(index).map(Bucket::key_ref)
+ }
+
+ /// Returns a slice of values in the given range of indices.
+ ///
+ /// Valid indices are *0 <= index < self.len()*
+ pub fn get_range<R: RangeBounds<usize>>(&self, range: R) -> Option<&Self> {
+ let range = try_simplify_range(range, self.entries.len())?;
+ self.entries.get(range).map(Self::from_slice)
+ }
+
+ /// Get the first value.
+ pub fn first(&self) -> Option<&T> {
+ self.entries.first().map(Bucket::key_ref)
+ }
+
+ /// Get the last value.
+ pub fn last(&self) -> Option<&T> {
+ self.entries.last().map(Bucket::key_ref)
+ }
+
+ /// Divides one slice into two at an index.
+ ///
+ /// ***Panics*** if `index > len`.
+ pub fn split_at(&self, index: usize) -> (&Self, &Self) {
+ let (first, second) = self.entries.split_at(index);
+ (Self::from_slice(first), Self::from_slice(second))
+ }
+
+ /// Returns the first value and the rest of the slice,
+ /// or `None` if it is empty.
+ pub fn split_first(&self) -> Option<(&T, &Self)> {
+ if let [first, rest @ ..] = &self.entries {
+ Some((&first.key, Self::from_slice(rest)))
+ } else {
+ None
+ }
+ }
+
+ /// Returns the last value and the rest of the slice,
+ /// or `None` if it is empty.
+ pub fn split_last(&self) -> Option<(&T, &Self)> {
+ if let [rest @ .., last] = &self.entries {
+ Some((&last.key, Self::from_slice(rest)))
+ } else {
+ None
+ }
+ }
+
+ /// Return an iterator over the values of the set slice.
+ pub fn iter(&self) -> Iter<'_, T> {
+ Iter::new(&self.entries)
+ }
+}
+
+impl<'a, T> IntoIterator for &'a Slice<T> {
+ type IntoIter = Iter<'a, T>;
+ type Item = &'a T;
+
+ fn into_iter(self) -> Self::IntoIter {
+ self.iter()
+ }
+}
+
+impl<T> IntoIterator for Box<Slice<T>> {
+ type IntoIter = IntoIter<T>;
+ type Item = T;
+
+ fn into_iter(self) -> Self::IntoIter {
+ IntoIter::new(self.into_entries())
+ }
+}
+
+impl<T> Default for &'_ Slice<T> {
+ fn default() -> Self {
+ Slice::from_slice(&[])
+ }
+}
+
+impl<T> Default for Box<Slice<T>> {
+ fn default() -> Self {
+ Slice::from_boxed(Box::default())
+ }
+}
+
+impl<T: Clone> Clone for Box<Slice<T>> {
+ fn clone(&self) -> Self {
+ Slice::from_boxed(self.entries.to_vec().into_boxed_slice())
+ }
+}
+
+impl<T: Copy> From<&Slice<T>> for Box<Slice<T>> {
+ fn from(slice: &Slice<T>) -> Self {
+ Slice::from_boxed(Box::from(&slice.entries))
+ }
+}
+
+impl<T: fmt::Debug> fmt::Debug for Slice<T> {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ f.debug_list().entries(self).finish()
+ }
+}
+
+impl<T: PartialEq> PartialEq for Slice<T> {
+ fn eq(&self, other: &Self) -> bool {
+ self.len() == other.len() && self.iter().eq(other)
+ }
+}
+
+impl<T: Eq> Eq for Slice<T> {}
+
+impl<T: PartialOrd> PartialOrd for Slice<T> {
+ fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+ self.iter().partial_cmp(other)
+ }
+}
+
+impl<T: Ord> Ord for Slice<T> {
+ fn cmp(&self, other: &Self) -> Ordering {
+ self.iter().cmp(other)
+ }
+}
+
+impl<T: Hash> Hash for Slice<T> {
+ fn hash<H: Hasher>(&self, state: &mut H) {
+ self.len().hash(state);
+ for value in self {
+ value.hash(state);
+ }
+ }
+}
+
+impl<T> Index<usize> for Slice<T> {
+ type Output = T;
+
+ fn index(&self, index: usize) -> &Self::Output {
+ &self.entries[index].key
+ }
+}
+
+// We can't have `impl<I: RangeBounds<usize>> Index<I>` because that conflicts with `Index<usize>`.
+// Instead, we repeat the implementations for all the core range types.
+macro_rules! impl_index {
+ ($($range:ty),*) => {$(
+ impl<T, S> Index<$range> for IndexSet<T, S> {
+ type Output = Slice<T>;
+
+ fn index(&self, range: $range) -> &Self::Output {
+ Slice::from_slice(&self.as_entries()[range])
+ }
+ }
+
+ impl<T> Index<$range> for Slice<T> {
+ type Output = Self;
+
+ fn index(&self, range: $range) -> &Self::Output {
+ Slice::from_slice(&self.entries[range])
+ }
+ }
+ )*}
+}
+impl_index!(
+ ops::Range<usize>,
+ ops::RangeFrom<usize>,
+ ops::RangeFull,
+ ops::RangeInclusive<usize>,
+ ops::RangeTo<usize>,
+ ops::RangeToInclusive<usize>,
+ (Bound<usize>, Bound<usize>)
+);
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use alloc::vec::Vec;
+
+ #[test]
+ fn slice_index() {
+ fn check(vec_slice: &[i32], set_slice: &Slice<i32>, sub_slice: &Slice<i32>) {
+ assert_eq!(set_slice as *const _, sub_slice as *const _);
+ itertools::assert_equal(vec_slice, set_slice);
+ }
+
+ let vec: Vec<i32> = (0..10).map(|i| i * i).collect();
+ let set: IndexSet<i32> = vec.iter().cloned().collect();
+ let slice = set.as_slice();
+
+ // RangeFull
+ check(&vec[..], &set[..], &slice[..]);
+
+ for i in 0usize..10 {
+ // Index
+ assert_eq!(vec[i], set[i]);
+ assert_eq!(vec[i], slice[i]);
+
+ // RangeFrom
+ check(&vec[i..], &set[i..], &slice[i..]);
+
+ // RangeTo
+ check(&vec[..i], &set[..i], &slice[..i]);
+
+ // RangeToInclusive
+ check(&vec[..=i], &set[..=i], &slice[..=i]);
+
+ // (Bound<usize>, Bound<usize>)
+ let bounds = (Bound::Excluded(i), Bound::Unbounded);
+ check(&vec[i + 1..], &set[bounds], &slice[bounds]);
+
+ for j in i..=10 {
+ // Range
+ check(&vec[i..j], &set[i..j], &slice[i..j]);
+ }
+
+ for j in i..10 {
+ // RangeInclusive
+ check(&vec[i..=j], &set[i..=j], &slice[i..=j]);
+ }
+ }
+ }
+}
diff --git a/vendor/indexmap/src/set/tests.rs b/vendor/indexmap/src/set/tests.rs
new file mode 100644
index 0000000..44f8ed8
--- /dev/null
+++ b/vendor/indexmap/src/set/tests.rs
@@ -0,0 +1,545 @@
+use super::*;
+use std::string::String;
+
+#[test]
+fn it_works() {
+ let mut set = IndexSet::new();
+ assert_eq!(set.is_empty(), true);
+ set.insert(1);
+ set.insert(1);
+ assert_eq!(set.len(), 1);
+ assert!(set.get(&1).is_some());
+ assert_eq!(set.is_empty(), false);
+}
+
+#[test]
+fn new() {
+ let set = IndexSet::<String>::new();
+ println!("{:?}", set);
+ assert_eq!(set.capacity(), 0);
+ assert_eq!(set.len(), 0);
+ assert_eq!(set.is_empty(), true);
+}
+
+#[test]
+fn insert() {
+ let insert = [0, 4, 2, 12, 8, 7, 11, 5];
+ let not_present = [1, 3, 6, 9, 10];
+ let mut set = IndexSet::with_capacity(insert.len());
+
+ for (i, &elt) in insert.iter().enumerate() {
+ assert_eq!(set.len(), i);
+ set.insert(elt);
+ assert_eq!(set.len(), i + 1);
+ assert_eq!(set.get(&elt), Some(&elt));
+ }
+ println!("{:?}", set);
+
+ for &elt in &not_present {
+ assert!(set.get(&elt).is_none());
+ }
+}
+
+#[test]
+fn insert_full() {
+ let insert = vec![9, 2, 7, 1, 4, 6, 13];
+ let present = vec![1, 6, 2];
+ let mut set = IndexSet::with_capacity(insert.len());
+
+ for (i, &elt) in insert.iter().enumerate() {
+ assert_eq!(set.len(), i);
+ let (index, success) = set.insert_full(elt);
+ assert!(success);
+ assert_eq!(Some(index), set.get_full(&elt).map(|x| x.0));
+ assert_eq!(set.len(), i + 1);
+ }
+
+ let len = set.len();
+ for &elt in &present {
+ let (index, success) = set.insert_full(elt);
+ assert!(!success);
+ assert_eq!(Some(index), set.get_full(&elt).map(|x| x.0));
+ assert_eq!(set.len(), len);
+ }
+}
+
+#[test]
+fn insert_2() {
+ let mut set = IndexSet::with_capacity(16);
+
+ let mut values = vec![];
+ values.extend(0..16);
+ values.extend(if cfg!(miri) { 32..64 } else { 128..267 });
+
+ for &i in &values {
+ let old_set = set.clone();
+ set.insert(i);
+ for value in old_set.iter() {
+ if set.get(value).is_none() {
+ println!("old_set: {:?}", old_set);
+ println!("set: {:?}", set);
+ panic!("did not find {} in set", value);
+ }
+ }
+ }
+
+ for &i in &values {
+ assert!(set.get(&i).is_some(), "did not find {}", i);
+ }
+}
+
+#[test]
+fn insert_dup() {
+ let mut elements = vec![0, 2, 4, 6, 8];
+ let mut set: IndexSet<u8> = elements.drain(..).collect();
+ {
+ let (i, v) = set.get_full(&0).unwrap();
+ assert_eq!(set.len(), 5);
+ assert_eq!(i, 0);
+ assert_eq!(*v, 0);
+ }
+ {
+ let inserted = set.insert(0);
+ let (i, v) = set.get_full(&0).unwrap();
+ assert_eq!(set.len(), 5);
+ assert_eq!(inserted, false);
+ assert_eq!(i, 0);
+ assert_eq!(*v, 0);
+ }
+}
+
+#[test]
+fn insert_order() {
+ let insert = [0, 4, 2, 12, 8, 7, 11, 5, 3, 17, 19, 22, 23];
+ let mut set = IndexSet::new();
+
+ for &elt in &insert {
+ set.insert(elt);
+ }
+
+ assert_eq!(set.iter().count(), set.len());
+ assert_eq!(set.iter().count(), insert.len());
+ for (a, b) in insert.iter().zip(set.iter()) {
+ assert_eq!(a, b);
+ }
+ for (i, v) in (0..insert.len()).zip(set.iter()) {
+ assert_eq!(set.get_index(i).unwrap(), v);
+ }
+}
+
+#[test]
+fn replace() {
+ let replace = [0, 4, 2, 12, 8, 7, 11, 5];
+ let not_present = [1, 3, 6, 9, 10];
+ let mut set = IndexSet::with_capacity(replace.len());
+
+ for (i, &elt) in replace.iter().enumerate() {
+ assert_eq!(set.len(), i);
+ set.replace(elt);
+ assert_eq!(set.len(), i + 1);
+ assert_eq!(set.get(&elt), Some(&elt));
+ }
+ println!("{:?}", set);
+
+ for &elt in &not_present {
+ assert!(set.get(&elt).is_none());
+ }
+}
+
+#[test]
+fn replace_full() {
+ let replace = vec![9, 2, 7, 1, 4, 6, 13];
+ let present = vec![1, 6, 2];
+ let mut set = IndexSet::with_capacity(replace.len());
+
+ for (i, &elt) in replace.iter().enumerate() {
+ assert_eq!(set.len(), i);
+ let (index, replaced) = set.replace_full(elt);
+ assert!(replaced.is_none());
+ assert_eq!(Some(index), set.get_full(&elt).map(|x| x.0));
+ assert_eq!(set.len(), i + 1);
+ }
+
+ let len = set.len();
+ for &elt in &present {
+ let (index, replaced) = set.replace_full(elt);
+ assert_eq!(Some(elt), replaced);
+ assert_eq!(Some(index), set.get_full(&elt).map(|x| x.0));
+ assert_eq!(set.len(), len);
+ }
+}
+
+#[test]
+fn replace_2() {
+ let mut set = IndexSet::with_capacity(16);
+
+ let mut values = vec![];
+ values.extend(0..16);
+ values.extend(if cfg!(miri) { 32..64 } else { 128..267 });
+
+ for &i in &values {
+ let old_set = set.clone();
+ set.replace(i);
+ for value in old_set.iter() {
+ if set.get(value).is_none() {
+ println!("old_set: {:?}", old_set);
+ println!("set: {:?}", set);
+ panic!("did not find {} in set", value);
+ }
+ }
+ }
+
+ for &i in &values {
+ assert!(set.get(&i).is_some(), "did not find {}", i);
+ }
+}
+
+#[test]
+fn replace_dup() {
+ let mut elements = vec![0, 2, 4, 6, 8];
+ let mut set: IndexSet<u8> = elements.drain(..).collect();
+ {
+ let (i, v) = set.get_full(&0).unwrap();
+ assert_eq!(set.len(), 5);
+ assert_eq!(i, 0);
+ assert_eq!(*v, 0);
+ }
+ {
+ let replaced = set.replace(0);
+ let (i, v) = set.get_full(&0).unwrap();
+ assert_eq!(set.len(), 5);
+ assert_eq!(replaced, Some(0));
+ assert_eq!(i, 0);
+ assert_eq!(*v, 0);
+ }
+}
+
+#[test]
+fn replace_order() {
+ let replace = [0, 4, 2, 12, 8, 7, 11, 5, 3, 17, 19, 22, 23];
+ let mut set = IndexSet::new();
+
+ for &elt in &replace {
+ set.replace(elt);
+ }
+
+ assert_eq!(set.iter().count(), set.len());
+ assert_eq!(set.iter().count(), replace.len());
+ for (a, b) in replace.iter().zip(set.iter()) {
+ assert_eq!(a, b);
+ }
+ for (i, v) in (0..replace.len()).zip(set.iter()) {
+ assert_eq!(set.get_index(i).unwrap(), v);
+ }
+}
+
+#[test]
+fn grow() {
+ let insert = [0, 4, 2, 12, 8, 7, 11];
+ let not_present = [1, 3, 6, 9, 10];
+ let mut set = IndexSet::with_capacity(insert.len());
+
+ for (i, &elt) in insert.iter().enumerate() {
+ assert_eq!(set.len(), i);
+ set.insert(elt);
+ assert_eq!(set.len(), i + 1);
+ assert_eq!(set.get(&elt), Some(&elt));
+ }
+
+ println!("{:?}", set);
+ for &elt in &insert {
+ set.insert(elt * 10);
+ }
+ for &elt in &insert {
+ set.insert(elt * 100);
+ }
+ for (i, &elt) in insert.iter().cycle().enumerate().take(100) {
+ set.insert(elt * 100 + i as i32);
+ }
+ println!("{:?}", set);
+ for &elt in &not_present {
+ assert!(set.get(&elt).is_none());
+ }
+}
+
+#[test]
+fn reserve() {
+ let mut set = IndexSet::<usize>::new();
+ assert_eq!(set.capacity(), 0);
+ set.reserve(100);
+ let capacity = set.capacity();
+ assert!(capacity >= 100);
+ for i in 0..capacity {
+ assert_eq!(set.len(), i);
+ set.insert(i);
+ assert_eq!(set.len(), i + 1);
+ assert_eq!(set.capacity(), capacity);
+ assert_eq!(set.get(&i), Some(&i));
+ }
+ set.insert(capacity);
+ assert_eq!(set.len(), capacity + 1);
+ assert!(set.capacity() > capacity);
+ assert_eq!(set.get(&capacity), Some(&capacity));
+}
+
+#[test]
+fn try_reserve() {
+ let mut set = IndexSet::<usize>::new();
+ assert_eq!(set.capacity(), 0);
+ assert_eq!(set.try_reserve(100), Ok(()));
+ assert!(set.capacity() >= 100);
+ assert!(set.try_reserve(usize::MAX).is_err());
+}
+
+#[test]
+fn shrink_to_fit() {
+ let mut set = IndexSet::<usize>::new();
+ assert_eq!(set.capacity(), 0);
+ for i in 0..100 {
+ assert_eq!(set.len(), i);
+ set.insert(i);
+ assert_eq!(set.len(), i + 1);
+ assert!(set.capacity() >= i + 1);
+ assert_eq!(set.get(&i), Some(&i));
+ set.shrink_to_fit();
+ assert_eq!(set.len(), i + 1);
+ assert_eq!(set.capacity(), i + 1);
+ assert_eq!(set.get(&i), Some(&i));
+ }
+}
+
+#[test]
+fn remove() {
+ let insert = [0, 4, 2, 12, 8, 7, 11, 5, 3, 17, 19, 22, 23];
+ let mut set = IndexSet::new();
+
+ for &elt in &insert {
+ set.insert(elt);
+ }
+
+ assert_eq!(set.iter().count(), set.len());
+ assert_eq!(set.iter().count(), insert.len());
+ for (a, b) in insert.iter().zip(set.iter()) {
+ assert_eq!(a, b);
+ }
+
+ let remove_fail = [99, 77];
+ let remove = [4, 12, 8, 7];
+
+ for &value in &remove_fail {
+ assert!(set.swap_remove_full(&value).is_none());
+ }
+ println!("{:?}", set);
+ for &value in &remove {
+ //println!("{:?}", set);
+ let index = set.get_full(&value).unwrap().0;
+ assert_eq!(set.swap_remove_full(&value), Some((index, value)));
+ }
+ println!("{:?}", set);
+
+ for value in &insert {
+ assert_eq!(set.get(value).is_some(), !remove.contains(value));
+ }
+ assert_eq!(set.len(), insert.len() - remove.len());
+ assert_eq!(set.iter().count(), insert.len() - remove.len());
+}
+
+#[test]
+fn swap_remove_index() {
+ let insert = [0, 4, 2, 12, 8, 7, 11, 5, 3, 17, 19, 22, 23];
+ let mut set = IndexSet::new();
+
+ for &elt in &insert {
+ set.insert(elt);
+ }
+
+ let mut vector = insert.to_vec();
+ let remove_sequence = &[3, 3, 10, 4, 5, 4, 3, 0, 1];
+
+ // check that the same swap remove sequence on vec and set
+ // have the same result.
+ for &rm in remove_sequence {
+ let out_vec = vector.swap_remove(rm);
+ let out_set = set.swap_remove_index(rm).unwrap();
+ assert_eq!(out_vec, out_set);
+ }
+ assert_eq!(vector.len(), set.len());
+ for (a, b) in vector.iter().zip(set.iter()) {
+ assert_eq!(a, b);
+ }
+}
+
+#[test]
+fn partial_eq_and_eq() {
+ let mut set_a = IndexSet::new();
+ set_a.insert(1);
+ set_a.insert(2);
+ let mut set_b = set_a.clone();
+ assert_eq!(set_a, set_b);
+ set_b.swap_remove(&1);
+ assert_ne!(set_a, set_b);
+
+ let set_c: IndexSet<_> = set_b.into_iter().collect();
+ assert_ne!(set_a, set_c);
+ assert_ne!(set_c, set_a);
+}
+
+#[test]
+fn extend() {
+ let mut set = IndexSet::new();
+ set.extend(vec![&1, &2, &3, &4]);
+ set.extend(vec![5, 6]);
+ assert_eq!(set.into_iter().collect::<Vec<_>>(), vec![1, 2, 3, 4, 5, 6]);
+}
+
+#[test]
+fn comparisons() {
+ let set_a: IndexSet<_> = (0..3).collect();
+ let set_b: IndexSet<_> = (3..6).collect();
+ let set_c: IndexSet<_> = (0..6).collect();
+ let set_d: IndexSet<_> = (3..9).collect();
+
+ assert!(!set_a.is_disjoint(&set_a));
+ assert!(set_a.is_subset(&set_a));
+ assert!(set_a.is_superset(&set_a));
+
+ assert!(set_a.is_disjoint(&set_b));
+ assert!(set_b.is_disjoint(&set_a));
+ assert!(!set_a.is_subset(&set_b));
+ assert!(!set_b.is_subset(&set_a));
+ assert!(!set_a.is_superset(&set_b));
+ assert!(!set_b.is_superset(&set_a));
+
+ assert!(!set_a.is_disjoint(&set_c));
+ assert!(!set_c.is_disjoint(&set_a));
+ assert!(set_a.is_subset(&set_c));
+ assert!(!set_c.is_subset(&set_a));
+ assert!(!set_a.is_superset(&set_c));
+ assert!(set_c.is_superset(&set_a));
+
+ assert!(!set_c.is_disjoint(&set_d));
+ assert!(!set_d.is_disjoint(&set_c));
+ assert!(!set_c.is_subset(&set_d));
+ assert!(!set_d.is_subset(&set_c));
+ assert!(!set_c.is_superset(&set_d));
+ assert!(!set_d.is_superset(&set_c));
+}
+
+#[test]
+fn iter_comparisons() {
+ use std::iter::empty;
+
+ fn check<'a, I1, I2>(iter1: I1, iter2: I2)
+ where
+ I1: Iterator<Item = &'a i32>,
+ I2: Iterator<Item = i32>,
+ {
+ assert!(iter1.copied().eq(iter2));
+ }
+
+ let set_a: IndexSet<_> = (0..3).collect();
+ let set_b: IndexSet<_> = (3..6).collect();
+ let set_c: IndexSet<_> = (0..6).collect();
+ let set_d: IndexSet<_> = (3..9).rev().collect();
+
+ check(set_a.difference(&set_a), empty());
+ check(set_a.symmetric_difference(&set_a), empty());
+ check(set_a.intersection(&set_a), 0..3);
+ check(set_a.union(&set_a), 0..3);
+
+ check(set_a.difference(&set_b), 0..3);
+ check(set_b.difference(&set_a), 3..6);
+ check(set_a.symmetric_difference(&set_b), 0..6);
+ check(set_b.symmetric_difference(&set_a), (3..6).chain(0..3));
+ check(set_a.intersection(&set_b), empty());
+ check(set_b.intersection(&set_a), empty());
+ check(set_a.union(&set_b), 0..6);
+ check(set_b.union(&set_a), (3..6).chain(0..3));
+
+ check(set_a.difference(&set_c), empty());
+ check(set_c.difference(&set_a), 3..6);
+ check(set_a.symmetric_difference(&set_c), 3..6);
+ check(set_c.symmetric_difference(&set_a), 3..6);
+ check(set_a.intersection(&set_c), 0..3);
+ check(set_c.intersection(&set_a), 0..3);
+ check(set_a.union(&set_c), 0..6);
+ check(set_c.union(&set_a), 0..6);
+
+ check(set_c.difference(&set_d), 0..3);
+ check(set_d.difference(&set_c), (6..9).rev());
+ check(
+ set_c.symmetric_difference(&set_d),
+ (0..3).chain((6..9).rev()),
+ );
+ check(set_d.symmetric_difference(&set_c), (6..9).rev().chain(0..3));
+ check(set_c.intersection(&set_d), 3..6);
+ check(set_d.intersection(&set_c), (3..6).rev());
+ check(set_c.union(&set_d), (0..6).chain((6..9).rev()));
+ check(set_d.union(&set_c), (3..9).rev().chain(0..3));
+}
+
+#[test]
+fn ops() {
+ let empty = IndexSet::<i32>::new();
+ let set_a: IndexSet<_> = (0..3).collect();
+ let set_b: IndexSet<_> = (3..6).collect();
+ let set_c: IndexSet<_> = (0..6).collect();
+ let set_d: IndexSet<_> = (3..9).rev().collect();
+
+ #[allow(clippy::eq_op)]
+ {
+ assert_eq!(&set_a & &set_a, set_a);
+ assert_eq!(&set_a | &set_a, set_a);
+ assert_eq!(&set_a ^ &set_a, empty);
+ assert_eq!(&set_a - &set_a, empty);
+ }
+
+ assert_eq!(&set_a & &set_b, empty);
+ assert_eq!(&set_b & &set_a, empty);
+ assert_eq!(&set_a | &set_b, set_c);
+ assert_eq!(&set_b | &set_a, set_c);
+ assert_eq!(&set_a ^ &set_b, set_c);
+ assert_eq!(&set_b ^ &set_a, set_c);
+ assert_eq!(&set_a - &set_b, set_a);
+ assert_eq!(&set_b - &set_a, set_b);
+
+ assert_eq!(&set_a & &set_c, set_a);
+ assert_eq!(&set_c & &set_a, set_a);
+ assert_eq!(&set_a | &set_c, set_c);
+ assert_eq!(&set_c | &set_a, set_c);
+ assert_eq!(&set_a ^ &set_c, set_b);
+ assert_eq!(&set_c ^ &set_a, set_b);
+ assert_eq!(&set_a - &set_c, empty);
+ assert_eq!(&set_c - &set_a, set_b);
+
+ assert_eq!(&set_c & &set_d, set_b);
+ assert_eq!(&set_d & &set_c, set_b);
+ assert_eq!(&set_c | &set_d, &set_a | &set_d);
+ assert_eq!(&set_d | &set_c, &set_a | &set_d);
+ assert_eq!(&set_c ^ &set_d, &set_a | &(&set_d - &set_b));
+ assert_eq!(&set_d ^ &set_c, &set_a | &(&set_d - &set_b));
+ assert_eq!(&set_c - &set_d, set_a);
+ assert_eq!(&set_d - &set_c, &set_d - &set_b);
+}
+
+#[test]
+#[cfg(feature = "std")]
+fn from_array() {
+ let set1 = IndexSet::from([1, 2, 3, 4]);
+ let set2: IndexSet<_> = [1, 2, 3, 4].into();
+
+ assert_eq!(set1, set2);
+}
+
+#[test]
+fn iter_default() {
+ struct Item;
+ fn assert_default<T>()
+ where
+ T: Default + Iterator,
+ {
+ assert!(T::default().next().is_none());
+ }
+ assert_default::<Iter<'static, Item>>();
+ assert_default::<IntoIter<Item>>();
+}