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-rw-r--r--vendor/zerovec/src/flexzerovec/serde.rs8
-rw-r--r--vendor/zerovec/src/flexzerovec/slice.rs8
-rw-r--r--vendor/zerovec/src/lib.rs9
-rw-r--r--vendor/zerovec/src/map/borrowed.rs14
-rw-r--r--vendor/zerovec/src/map/map.rs4
-rw-r--r--vendor/zerovec/src/map/serde.rs8
-rw-r--r--vendor/zerovec/src/map2d/borrowed.rs9
-rw-r--r--vendor/zerovec/src/map2d/cursor.rs70
-rw-r--r--vendor/zerovec/src/map2d/map.rs12
-rw-r--r--vendor/zerovec/src/map2d/serde.rs8
-rw-r--r--vendor/zerovec/src/ule/mod.rs6
-rw-r--r--vendor/zerovec/src/ule/option.rs2
-rw-r--r--vendor/zerovec/src/ule/plain.rs19
-rw-r--r--vendor/zerovec/src/ule/unvalidated.rs10
-rw-r--r--vendor/zerovec/src/varzerovec/serde.rs8
-rw-r--r--vendor/zerovec/src/varzerovec/slice.rs28
-rw-r--r--vendor/zerovec/src/varzerovec/vec.rs16
-rw-r--r--vendor/zerovec/src/yoke_impls.rs14
-rw-r--r--vendor/zerovec/src/zerovec/mod.rs7
-rw-r--r--vendor/zerovec/src/zerovec/serde.rs10
-rw-r--r--vendor/zerovec/src/zerovec/slice.rs30
21 files changed, 184 insertions, 116 deletions
diff --git a/vendor/zerovec/src/flexzerovec/serde.rs b/vendor/zerovec/src/flexzerovec/serde.rs
index 44179be32..fb7caa7a8 100644
--- a/vendor/zerovec/src/flexzerovec/serde.rs
+++ b/vendor/zerovec/src/flexzerovec/serde.rs
@@ -42,7 +42,7 @@ impl<'de> Visitor<'de> for FlexZeroVecVisitor {
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de, 'a> Deserialize<'de> for FlexZeroVec<'a>
where
'de: 'a,
@@ -60,7 +60,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de, 'a> Deserialize<'de> for &'a FlexZeroSlice
where
'de: 'a,
@@ -87,7 +87,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl Serialize for FlexZeroVec<'_> {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
@@ -105,7 +105,7 @@ impl Serialize for FlexZeroVec<'_> {
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl Serialize for FlexZeroSlice {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
diff --git a/vendor/zerovec/src/flexzerovec/slice.rs b/vendor/zerovec/src/flexzerovec/slice.rs
index 7cc6f12fa..ee164d05b 100644
--- a/vendor/zerovec/src/flexzerovec/slice.rs
+++ b/vendor/zerovec/src/flexzerovec/slice.rs
@@ -14,7 +14,6 @@ const USIZE_WIDTH: usize = mem::size_of::<usize>();
/// A zero-copy "slice" that efficiently represents `[usize]`.
#[repr(packed)]
-#[derive(Eq, PartialEq)]
pub struct FlexZeroSlice {
// Hard Invariant: 1 <= width <= USIZE_WIDTH (which is target_pointer_width)
// Soft Invariant: width == the width of the largest element
@@ -23,6 +22,13 @@ pub struct FlexZeroSlice {
data: [u8],
}
+impl PartialEq for FlexZeroSlice {
+ fn eq(&self, other: &Self) -> bool {
+ self.width == other.width && self.data == other.data
+ }
+}
+impl Eq for FlexZeroSlice {}
+
/// Helper function to decode a little-endian "chunk" (byte slice of a specific length)
/// into a `usize`. We cannot call `usize::from_le_bytes` directly because that function
/// requires the high bits to be set to 0.
diff --git a/vendor/zerovec/src/lib.rs b/vendor/zerovec/src/lib.rs
index 9a37c762e..b8b292488 100644
--- a/vendor/zerovec/src/lib.rs
+++ b/vendor/zerovec/src/lib.rs
@@ -34,7 +34,7 @@
//!
//! # Cargo features
//!
-//! This crate has five optional features:
+//! This crate has several optional Cargo features:
//! - `serde`: Allows serializing and deserializing `zerovec`'s abstractions via [`serde`](https://docs.rs/serde)
//! - `yoke`: Enables implementations of `Yokeable` from the [`yoke`](https://docs.rs/yoke/) crate, which is also useful
//! in situations involving a lot of zero-copy deserialization.
@@ -270,6 +270,8 @@ pub mod maps {
pub use crate::map2d::ZeroMap2dBorrowed;
pub use crate::map::{MutableZeroVecLike, ZeroMapKV, ZeroVecLike};
+
+ pub use crate::map2d::ZeroMap2dCursor;
}
pub mod vecs {
@@ -395,8 +397,9 @@ pub use zerovec_derive::make_ule;
/// Generate a corresponding [`VarULE`] type and the relevant [`EncodeAsVarULE`]/[`zerofrom::ZeroFrom`]
/// implementations for this type
///
-/// This can be attached to structs containing only [`AsULE`] types with the last field being [`Cow<'a, str>`](alloc::borrow::Cow),
-/// [`Cow<'a, str>`](alloc::borrow::Cow), [`ZeroSlice`], or [`VarZeroSlice`].
+/// This can be attached to structs containing only [`AsULE`] types with the last fields being
+/// [`Cow<'a, str>`](alloc::borrow::Cow), [`ZeroSlice`], or [`VarZeroSlice`]. If there is more than one such field, it will be represented
+/// using [`MultiFieldsULE`](crate::ule::MultiFieldsULE) and getters will be generated.
///
/// The type must be [`PartialEq`] and [`Eq`].
///
diff --git a/vendor/zerovec/src/map/borrowed.rs b/vendor/zerovec/src/map/borrowed.rs
index 4c1d1aef6..9d0854601 100644
--- a/vendor/zerovec/src/map/borrowed.rs
+++ b/vendor/zerovec/src/map/borrowed.rs
@@ -163,11 +163,6 @@ where
/// let borrowed = map.as_borrowed();
/// assert_eq!(borrowed.get(&1), Some("one"));
/// assert_eq!(borrowed.get(&3), None);
- ///
- /// let borrow = borrowed.get(&1);
- /// drop(borrowed);
- /// // still exists after the ZeroMapBorrowed has been dropped
- /// assert_eq!(borrow, Some("one"));
/// ```
pub fn get(&self, key: &K) -> Option<&'a V::GetType> {
let index = self.keys.zvl_binary_search(key).ok()?;
@@ -190,11 +185,6 @@ where
/// let borrowed = map.as_borrowed();
/// assert_eq!(borrowed.get_by(|probe| probe.cmp(&1)), Some("one"));
/// assert_eq!(borrowed.get_by(|probe| probe.cmp(&3)), None);
- ///
- /// let borrow = borrowed.get_by(|probe| probe.cmp(&1));
- /// drop(borrowed);
- /// // still exists after the ZeroMapBorrowed has been dropped
- /// assert_eq!(borrow, Some("one"));
/// ```
pub fn get_by(&self, predicate: impl FnMut(&K) -> Ordering) -> Option<&'a V::GetType> {
let index = self.keys.zvl_binary_search_by(predicate).ok()?;
@@ -211,8 +201,8 @@ where
/// map.insert(&1, "one");
/// map.insert(&2, "two");
/// let borrowed = map.as_borrowed();
- /// assert_eq!(borrowed.contains_key(&1), true);
- /// assert_eq!(borrowed.contains_key(&3), false);
+ /// assert!(borrowed.contains_key(&1));
+ /// assert!(!borrowed.contains_key(&3));
/// ```
pub fn contains_key(&self, key: &K) -> bool {
self.keys.zvl_binary_search(key).is_ok()
diff --git a/vendor/zerovec/src/map/map.rs b/vendor/zerovec/src/map/map.rs
index 379b22667..692e265d6 100644
--- a/vendor/zerovec/src/map/map.rs
+++ b/vendor/zerovec/src/map/map.rs
@@ -194,8 +194,8 @@ where
/// let mut map = ZeroMap::new();
/// map.insert(&1, "one");
/// map.insert(&2, "two");
- /// assert_eq!(map.contains_key(&1), true);
- /// assert_eq!(map.contains_key(&3), false);
+ /// assert!(map.contains_key(&1));
+ /// assert!(!map.contains_key(&3));
/// ```
pub fn contains_key(&self, key: &K) -> bool {
self.keys.zvl_binary_search(key).is_ok()
diff --git a/vendor/zerovec/src/map/serde.rs b/vendor/zerovec/src/map/serde.rs
index dbe4b433d..e82886d2a 100644
--- a/vendor/zerovec/src/map/serde.rs
+++ b/vendor/zerovec/src/map/serde.rs
@@ -9,7 +9,7 @@ use serde::de::{self, Deserialize, Deserializer, MapAccess, SeqAccess, Visitor};
#[cfg(feature = "serde")]
use serde::ser::{Serialize, SerializeMap, SerializeSeq, Serializer};
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
#[cfg(feature = "serde")]
impl<'a, K, V> Serialize for ZeroMap<'a, K, V>
where
@@ -49,7 +49,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
#[cfg(feature = "serde")]
impl<'a, K, V> Serialize for ZeroMapBorrowed<'a, K, V>
where
@@ -158,7 +158,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de, 'a, K, V> Deserialize<'de> for ZeroMap<'a, K, V>
where
K: ZeroMapKV<'a> + Ord + ?Sized,
@@ -190,7 +190,7 @@ where
}
}
-// /// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+// /// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de, 'a, K, V> Deserialize<'de> for ZeroMapBorrowed<'a, K, V>
where
K: ZeroMapKV<'a> + Ord + ?Sized,
diff --git a/vendor/zerovec/src/map2d/borrowed.rs b/vendor/zerovec/src/map2d/borrowed.rs
index d9972fae9..209da299b 100644
--- a/vendor/zerovec/src/map2d/borrowed.rs
+++ b/vendor/zerovec/src/map2d/borrowed.rs
@@ -199,11 +199,6 @@ where
/// assert_eq!(borrowed.get_2d(&2, "one"), Some("bar"));
/// assert_eq!(borrowed.get_2d(&2, "two"), Some("baz"));
/// assert_eq!(borrowed.get_2d(&3, "three"), None);
- ///
- /// let borrow = borrowed.get_2d(&1, "one");
- /// drop(borrowed);
- /// // still exists after the ZeroMap2dBorrowed has been dropped
- /// assert_eq!(borrow, Some("foo"));
/// ```
pub fn get_2d(&self, key0: &K0, key1: &K1) -> Option<&'a V::GetType> {
self.get0(key0)?.get1(key1)
@@ -270,8 +265,8 @@ where
/// map.insert(&1, "one", "foo");
/// map.insert(&2, "two", "bar");
/// let borrowed = map.as_borrowed();
- /// assert_eq!(borrowed.contains_key0(&1), true);
- /// assert_eq!(borrowed.contains_key0(&3), false);
+ /// assert!(borrowed.contains_key0(&1));
+ /// assert!(!borrowed.contains_key0(&3));
/// ```
pub fn contains_key0(&self, key0: &K0) -> bool {
self.keys0.zvl_binary_search(key0).is_ok()
diff --git a/vendor/zerovec/src/map2d/cursor.rs b/vendor/zerovec/src/map2d/cursor.rs
index 0654ee794..4802187be 100644
--- a/vendor/zerovec/src/map2d/cursor.rs
+++ b/vendor/zerovec/src/map2d/cursor.rs
@@ -92,7 +92,9 @@ where
self.keys0.zvl_get(self.key0_index).unwrap()
}
- /// Borrow an ordered iterator over keys1 for a particular key0.
+ /// Borrow an ordered iterator over keys1 and values for a particular key0.
+ ///
+ /// To get the values as copy types, see [`Self::iter1_copied`].
///
/// For an example, see [`ZeroMap2d::iter0()`].
pub fn iter1(
@@ -153,6 +155,64 @@ where
impl<'l, 'a, K0, K1, V> ZeroMap2dCursor<'l, 'a, K0, K1, V>
where
K0: ZeroMapKV<'a>,
+ K1: ZeroMapKV<'a>,
+ V: ZeroMapKV<'a>,
+ K0: ?Sized,
+ K1: ?Sized,
+ V: Copy,
+{
+ /// Borrow an ordered iterator over keys1 and values for a particular key0.
+ ///
+ /// The values are returned as copy types.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use zerovec::ZeroMap2d;
+ ///
+ /// let zm2d: ZeroMap2d<str, u8, usize> = [
+ /// ("a", 0u8, 1usize),
+ /// ("b", 1u8, 1000usize),
+ /// ("b", 2u8, 2000usize),
+ /// ]
+ /// .into_iter()
+ /// .collect();
+ ///
+ /// let mut total_value = 0;
+ ///
+ /// for cursor in zm2d.iter0() {
+ /// for (_, value) in cursor.iter1_copied() {
+ /// total_value += value;
+ /// }
+ /// }
+ ///
+ /// assert_eq!(total_value, 3001);
+ /// ```
+ pub fn iter1_copied(
+ &self,
+ ) -> impl Iterator<Item = (&'l <K1 as ZeroMapKV<'a>>::GetType, V)> + '_ {
+ let range = self.get_range();
+ #[allow(clippy::unwrap_used)] // `self.get_range()` returns a valid range
+ range.map(move |idx| {
+ (
+ self.keys1.zvl_get(idx).unwrap(),
+ self.get1_copied_at(idx).unwrap(),
+ )
+ })
+ }
+
+ fn get1_copied_at(&self, index: usize) -> Option<V> {
+ let ule = self.values.zvl_get(index)?;
+ let mut result = Option::<V>::None;
+ V::Container::zvl_get_as_t(ule, |v| result.replace(*v));
+ #[allow(clippy::unwrap_used)] // `zvl_get_as_t` guarantees that the callback is invoked
+ Some(result.unwrap())
+ }
+}
+
+impl<'l, 'a, K0, K1, V> ZeroMap2dCursor<'l, 'a, K0, K1, V>
+where
+ K0: ZeroMapKV<'a>,
K1: ZeroMapKV<'a> + Ord,
V: ZeroMapKV<'a>,
K0: ?Sized,
@@ -253,14 +313,6 @@ where
let key1_index = self.get_key1_index_by(predicate)?;
self.get1_copied_at(key1_index)
}
-
- fn get1_copied_at(&self, index: usize) -> Option<V> {
- let ule = self.values.zvl_get(index)?;
- let mut result = Option::<V>::None;
- V::Container::zvl_get_as_t(ule, |v| result.replace(*v));
- #[allow(clippy::unwrap_used)] // `zvl_get_as_t` guarantees that the callback is invoked
- Some(result.unwrap())
- }
}
// We can't use the default PartialEq because ZeroMap2d is invariant
diff --git a/vendor/zerovec/src/map2d/map.rs b/vendor/zerovec/src/map2d/map.rs
index ab6eded4e..e6545dfa5 100644
--- a/vendor/zerovec/src/map2d/map.rs
+++ b/vendor/zerovec/src/map2d/map.rs
@@ -534,8 +534,8 @@ where
/// let mut map = ZeroMap2d::new();
/// map.insert(&1, "one", "foo");
/// map.insert(&2, "two", "bar");
- /// assert_eq!(map.contains_key0(&1), true);
- /// assert_eq!(map.contains_key0(&3), false);
+ /// assert!(map.contains_key0(&1));
+ /// assert!(!map.contains_key0(&3));
/// ```
pub fn contains_key0(&self, key0: &K0) -> bool {
self.keys0.zvl_binary_search(key0).is_ok()
@@ -814,13 +814,13 @@ mod test {
// Remove some elements
let result = zm2d.remove(&3, "ccc"); // first element
- assert_eq!(result, Some(String::from("CCC").into_boxed_str()));
+ assert_eq!(result.as_deref(), Some("CCC"));
let result = zm2d.remove(&3, "mmm"); // middle element
- assert_eq!(result, Some(String::from("MM0").into_boxed_str()));
+ assert_eq!(result.as_deref(), Some("MM0"));
let result = zm2d.remove(&5, "ddd"); // singleton K0
- assert_eq!(result, Some(String::from("DD1").into_boxed_str()));
+ assert_eq!(result.as_deref(), Some("DD1"));
let result = zm2d.remove(&9, "yyy"); // last element
- assert_eq!(result, Some(String::from("YYY").into_boxed_str()));
+ assert_eq!(result.as_deref(), Some("YYY"));
assert_eq!(format!("{:?}", zm2d), "ZeroMap2d { keys0: ZeroVec([3, 6, 7]), joiner: ZeroVec([1, 4, 7]), keys1: [\"eee\", \"ddd\", \"mmm\", \"nnn\", \"ddd\", \"eee\", \"www\"], values: [\"EEE\", \"DD3\", \"MM1\", \"NNN\", \"DD2\", \"EEE\", \"WWW\"] }");
}
diff --git a/vendor/zerovec/src/map2d/serde.rs b/vendor/zerovec/src/map2d/serde.rs
index f8b5f147b..b5e913654 100644
--- a/vendor/zerovec/src/map2d/serde.rs
+++ b/vendor/zerovec/src/map2d/serde.rs
@@ -12,7 +12,7 @@ use serde::de::{self, Deserialize, Deserializer, MapAccess, Visitor};
#[cfg(feature = "serde")]
use serde::ser::{Serialize, SerializeMap, Serializer};
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
#[cfg(feature = "serde")]
impl<'a, K0, K1, V> Serialize for ZeroMap2d<'a, K0, K1, V>
where
@@ -75,7 +75,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
#[cfg(feature = "serde")]
impl<'a, K0, K1, V> Serialize for ZeroMap2dBorrowed<'a, K0, K1, V>
where
@@ -220,7 +220,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de, 'a, K0, K1, V> Deserialize<'de> for ZeroMap2d<'a, K0, K1, V>
where
K0: ZeroMapKV<'a> + Ord + ?Sized,
@@ -287,7 +287,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de, 'a, K0, K1, V> Deserialize<'de> for ZeroMap2dBorrowed<'a, K0, K1, V>
where
K0: ZeroMapKV<'a> + Ord + ?Sized,
diff --git a/vendor/zerovec/src/ule/mod.rs b/vendor/zerovec/src/ule/mod.rs
index 29c7d0ecd..e8ecd26e5 100644
--- a/vendor/zerovec/src/ule/mod.rs
+++ b/vendor/zerovec/src/ule/mod.rs
@@ -283,6 +283,12 @@ where
/// "12.3e3" are logically equal, but not byte-for-byte equal, so we could define a canonical form
/// where only a single digit is allowed before `.`.
///
+/// There may also be cases where a `VarULE` has muiltiple canonical forms, such as a faster
+/// version and a smaller version. The cleanest way to handle this case would be separate types.
+/// However, if this is not feasible, then the application should ensure that the data it is
+/// deserializing is in the expected form. For example, if the data is being loaded from an
+/// external source, then requests could carry information about the expected form of the data.
+///
/// Failure to follow this invariant will cause surprising behavior in `PartialEq`, which may
/// result in unpredictable operations on `ZeroVec`, `VarZeroVec`, and `ZeroMap`.
pub unsafe trait VarULE: 'static {
diff --git a/vendor/zerovec/src/ule/option.rs b/vendor/zerovec/src/ule/option.rs
index e1d2d25fa..a6b1966a5 100644
--- a/vendor/zerovec/src/ule/option.rs
+++ b/vendor/zerovec/src/ule/option.rs
@@ -22,7 +22,7 @@ use core::mem::{self, MaybeUninit};
/// Some('ł'),
/// ]);
///
-/// assert_eq!(z.get(2), Some(Some(('ø'))));
+/// assert_eq!(z.get(2), Some(Some('ø')));
/// assert_eq!(z.get(3), Some(None));
/// ```
// Invariants:
diff --git a/vendor/zerovec/src/ule/plain.rs b/vendor/zerovec/src/ule/plain.rs
index 0b1bbb441..49455d45f 100644
--- a/vendor/zerovec/src/ule/plain.rs
+++ b/vendor/zerovec/src/ule/plain.rs
@@ -7,10 +7,7 @@
use super::*;
use crate::ZeroSlice;
-use core::{
- mem,
- num::{NonZeroI8, NonZeroU8},
-};
+use core::num::{NonZeroI8, NonZeroU8};
/// A u8 array of little-endian data with infallible conversions to and from &[u8].
#[repr(transparent)]
@@ -100,19 +97,7 @@ macro_rules! impl_const_constructors {
let len = bytes.len();
#[allow(clippy::modulo_one)]
if len % $size == 0 {
- unsafe {
- // Most of the slice manipulation functions are not yet const-stable,
- // so we construct a slice with the right metadata and cast its type
- // https://rust-lang.github.io/unsafe-code-guidelines/layout/pointers.html#notes
- //
- // Safety:
- // * [u8] and [RawBytesULE<N>] have different lengths but the same alignment
- // * ZeroSlice<$base> is repr(transparent) with [RawBytesULE<N>]
- let [ptr, _]: [usize; 2] = mem::transmute(bytes);
- let new_len = len / $size;
- let raw = [ptr, new_len];
- Ok(mem::transmute(raw))
- }
+ Ok(unsafe { Self::from_bytes_unchecked(bytes) })
} else {
Err(ZeroVecError::InvalidLength {
ty: concat!("<const construct: ", $size, ">"),
diff --git a/vendor/zerovec/src/ule/unvalidated.rs b/vendor/zerovec/src/ule/unvalidated.rs
index a6ae55dcf..4564c8673 100644
--- a/vendor/zerovec/src/ule/unvalidated.rs
+++ b/vendor/zerovec/src/ule/unvalidated.rs
@@ -95,9 +95,9 @@ impl UnvalidatedStr {
/// ```
/// use zerovec::ule::UnvalidatedStr;
///
- /// static a: &UnvalidatedStr = UnvalidatedStr::from_bytes(b"abc");
+ /// static A: &UnvalidatedStr = UnvalidatedStr::from_bytes(b"abc");
///
- /// let b = a.try_as_str().unwrap();
+ /// let b = A.try_as_str().unwrap();
/// assert_eq!(b, "abc");
/// ```
// Note: this is const starting in 1.63
@@ -154,7 +154,7 @@ unsafe impl VarULE for UnvalidatedStr {
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
#[cfg(feature = "serde")]
impl serde::Serialize for UnvalidatedStr {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
@@ -173,7 +173,7 @@ impl serde::Serialize for UnvalidatedStr {
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
#[cfg(feature = "serde")]
impl<'de> serde::Deserialize<'de> for Box<UnvalidatedStr> {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
@@ -190,7 +190,7 @@ impl<'de> serde::Deserialize<'de> for Box<UnvalidatedStr> {
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
#[cfg(feature = "serde")]
impl<'de, 'a> serde::Deserialize<'de> for &'a UnvalidatedStr
where
diff --git a/vendor/zerovec/src/varzerovec/serde.rs b/vendor/zerovec/src/varzerovec/serde.rs
index dd6e863ff..649b29cfb 100644
--- a/vendor/zerovec/src/varzerovec/serde.rs
+++ b/vendor/zerovec/src/varzerovec/serde.rs
@@ -60,7 +60,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de, 'a, T, F> Deserialize<'de> for VarZeroVec<'a, T, F>
where
T: VarULE + ?Sized,
@@ -81,7 +81,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de, 'a, T, F> Deserialize<'de> for &'a VarZeroSlice<T, F>
where
T: VarULE + ?Sized,
@@ -111,7 +111,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
#[cfg(feature = "serde")]
impl<T, F> Serialize for VarZeroVec<'_, T, F>
where
@@ -134,7 +134,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
#[cfg(feature = "serde")]
impl<T, F> Serialize for VarZeroSlice<T, F>
where
diff --git a/vendor/zerovec/src/varzerovec/slice.rs b/vendor/zerovec/src/varzerovec/slice.rs
index 59e8da03f..afdbe80d9 100644
--- a/vendor/zerovec/src/varzerovec/slice.rs
+++ b/vendor/zerovec/src/varzerovec/slice.rs
@@ -29,8 +29,13 @@ use core::ops::Range;
/// The `F` type parameter is a [`VarZeroVecFormat`] (see its docs for more details), which can be used to select the
/// precise format of the backing buffer with various size and performance tradeoffs. It defaults to [`Index16`].
///
-/// This type can be nested within itself to allow for multi-level nested `Vec`s, for
-/// example the following code constructs the conceptual zero-copy equivalent of `Vec<Vec<Vec<str>>>`
+/// This type can be nested within itself to allow for multi-level nested `Vec`s.
+///
+/// # Examples
+///
+/// ## Nested Slices
+///
+/// The following code constructs the conceptual zero-copy equivalent of `Vec<Vec<Vec<str>>>`
///
/// ```rust
/// use zerovec::ule::*;
@@ -71,6 +76,25 @@ use core::ops::Range;
/// VarZeroVec::parse_byte_slice(bytes).unwrap();
/// assert_eq!(vzv_from_bytes, vzv_all);
/// ```
+///
+/// ## Iterate over Windows
+///
+/// Although [`VarZeroSlice`] does not itself have a `.windows` iterator like
+/// [core::slice::Windows], this behavior can be easily modeled using an iterator:
+///
+/// ```
+/// use zerovec::VarZeroVec;
+///
+/// let vzv = VarZeroVec::<str>::from(&["a", "b", "c", "d"]);
+/// # let mut pairs: Vec<(&str, &str)> = Vec::new();
+///
+/// let mut it = vzv.iter().peekable();
+/// while let (Some(x), Some(y)) = (it.next(), it.peek()) {
+/// // Evaluate (x, y) here.
+/// # pairs.push((x, y));
+/// }
+/// # assert_eq!(pairs, &[("a", "b"), ("b", "c"), ("c", "d")]);
+/// ```
//
// safety invariant: The slice MUST be one which parses to
// a valid VarZeroVecComponents<T>
diff --git a/vendor/zerovec/src/varzerovec/vec.rs b/vendor/zerovec/src/varzerovec/vec.rs
index 031da6453..7edb48a96 100644
--- a/vendor/zerovec/src/varzerovec/vec.rs
+++ b/vendor/zerovec/src/varzerovec/vec.rs
@@ -11,7 +11,7 @@ use core::ops::Deref;
use super::*;
-/// A zero-copy vector for variable-width types.
+/// A zero-copy, byte-aligned vector for variable-width types.
///
/// `VarZeroVec<T>` is designed as a drop-in replacement for `Vec<T>` in situations where it is
/// desirable to borrow data from an unaligned byte slice, such as zero-copy deserialization, and
@@ -39,6 +39,20 @@ use super::*;
/// The `F` type parameter is a [`VarZeroVecFormat`] (see its docs for more details), which can be used to select the
/// precise format of the backing buffer with various size and performance tradeoffs. It defaults to [`Index16`].
///
+/// # Bytes and Equality
+///
+/// Two [`VarZeroVec`]s are equal if and only if their bytes are equal, as described in the trait
+/// [`VarULE`]. However, we do not guarantee stability of byte equality or serialization format
+/// across major SemVer releases.
+///
+/// To compare a [`Vec<T>`] to a [`VarZeroVec<T>`], it is generally recommended to use
+/// [`Iterator::eq`], since it is somewhat expensive at runtime to convert from a [`Vec<T>`] to a
+/// [`VarZeroVec<T>`] or vice-versa.
+///
+/// Prior to zerovec reaching 1.0, the precise byte representation of [`VarZeroVec`] is still
+/// under consideration, with different options along the space-time spectrum. See
+/// [#1410](https://github.com/unicode-org/icu4x/issues/1410).
+///
/// # Example
///
/// ```rust
diff --git a/vendor/zerovec/src/yoke_impls.rs b/vendor/zerovec/src/yoke_impls.rs
index 81fc22c74..0efb47a2d 100644
--- a/vendor/zerovec/src/yoke_impls.rs
+++ b/vendor/zerovec/src/yoke_impls.rs
@@ -15,7 +15,7 @@ use core::{mem, ptr};
use yoke::*;
// This impl is similar to the impl on Cow and is safe for the same reasons
-/// This impl can be made available by enabling the optional `yoke` feature of the `zerovec` crate
+/// This impl requires enabling the optional `yoke` Cargo feature of the `zerovec` crate
unsafe impl<'a, T: 'static + AsULE + ?Sized> Yokeable<'a> for ZeroVec<'static, T> {
type Output = ZeroVec<'a, T>;
#[inline]
@@ -43,7 +43,7 @@ unsafe impl<'a, T: 'static + AsULE + ?Sized> Yokeable<'a> for ZeroVec<'static, T
}
// This impl is similar to the impl on Cow and is safe for the same reasons
-/// This impl can be made available by enabling the optional `yoke` feature of the `zerovec` crate
+/// This impl requires enabling the optional `yoke` Cargo feature of the `zerovec` crate
unsafe impl<'a, T: 'static + VarULE + ?Sized> Yokeable<'a> for VarZeroVec<'static, T> {
type Output = VarZeroVec<'a, T>;
#[inline]
@@ -71,7 +71,7 @@ unsafe impl<'a, T: 'static + VarULE + ?Sized> Yokeable<'a> for VarZeroVec<'stati
}
// This impl is similar to the impl on Cow and is safe for the same reasons
-/// This impl can be made available by enabling the optional `yoke` feature of the `zerovec` crate
+/// This impl requires enabling the optional `yoke` Cargo feature of the `zerovec` crate
unsafe impl<'a> Yokeable<'a> for FlexZeroVec<'static> {
type Output = FlexZeroVec<'a>;
#[inline]
@@ -98,7 +98,7 @@ unsafe impl<'a> Yokeable<'a> for FlexZeroVec<'static> {
}
}
-/// This impl can be made available by enabling the optional `yoke` feature of the `zerovec` crate
+/// This impl requires enabling the optional `yoke` Cargo feature of the `zerovec` crate
#[allow(clippy::transmute_ptr_to_ptr)]
unsafe impl<'a, K, V> Yokeable<'a> for ZeroMap<'static, K, V>
where
@@ -144,7 +144,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `yoke` feature of the `zerovec` crate
+/// This impl requires enabling the optional `yoke` Cargo feature of the `zerovec` crate
#[allow(clippy::transmute_ptr_to_ptr)]
unsafe impl<'a, K, V> Yokeable<'a> for ZeroMapBorrowed<'static, K, V>
where
@@ -190,7 +190,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `yoke` feature of the `zerovec` crate
+/// This impl requires enabling the optional `yoke` Cargo feature of the `zerovec` crate
#[allow(clippy::transmute_ptr_to_ptr)]
unsafe impl<'a, K0, K1, V> Yokeable<'a> for ZeroMap2d<'static, K0, K1, V>
where
@@ -238,7 +238,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `yoke` feature of the `zerovec` crate
+/// This impl requires enabling the optional `yoke` Cargo feature of the `zerovec` crate
#[allow(clippy::transmute_ptr_to_ptr)]
unsafe impl<'a, K0, K1, V> Yokeable<'a> for ZeroMap2dBorrowed<'static, K0, K1, V>
where
diff --git a/vendor/zerovec/src/zerovec/mod.rs b/vendor/zerovec/src/zerovec/mod.rs
index e0876338f..371450e21 100644
--- a/vendor/zerovec/src/zerovec/mod.rs
+++ b/vendor/zerovec/src/zerovec/mod.rs
@@ -22,7 +22,7 @@ use core::marker::PhantomData;
use core::mem;
use core::ops::Deref;
-/// A zero-copy vector for fixed-width types.
+/// A zero-copy, byte-aligned vector for fixed-width types.
///
/// `ZeroVec<T>` is designed as a drop-in replacement for `Vec<T>` in situations where it is
/// desirable to borrow data from an unaligned byte slice, such as zero-copy deserialization.
@@ -352,11 +352,6 @@ where
/// `bytes` need to be an output from [`ZeroSlice::as_bytes()`].
pub const unsafe fn from_bytes_unchecked(bytes: &'a [u8]) -> Self {
// &[u8] and &[T::ULE] are the same slice with different length metadata.
- /// core::slice::from_raw_parts(a, b) = core::mem::transmute((a, b)) hack
- /// ```compile_fail
- /// const unsafe fn canary() { core::slice::from_raw_parts(0 as *const u8, 0); }
- /// ```
- const _: () = ();
Self::new_borrowed(core::mem::transmute((
bytes.as_ptr(),
bytes.len() / core::mem::size_of::<T::ULE>(),
diff --git a/vendor/zerovec/src/zerovec/serde.rs b/vendor/zerovec/src/zerovec/serde.rs
index 8250fc20a..e3141071c 100644
--- a/vendor/zerovec/src/zerovec/serde.rs
+++ b/vendor/zerovec/src/zerovec/serde.rs
@@ -58,7 +58,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de, 'a, T> Deserialize<'de> for ZeroVec<'a, T>
where
T: 'de + Deserialize<'de> + AsULE,
@@ -77,7 +77,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<T> Serialize for ZeroVec<'_, T>
where
T: Serialize + AsULE,
@@ -98,7 +98,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de, T> Deserialize<'de> for Box<ZeroSlice<T>>
where
T: Deserialize<'de> + AsULE + 'static,
@@ -113,7 +113,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<'de, 'a, T> Deserialize<'de> for &'a ZeroSlice<T>
where
T: Deserialize<'de> + AsULE + 'static,
@@ -141,7 +141,7 @@ where
}
}
-/// This impl can be made available by enabling the optional `serde` feature of the `zerovec` crate
+/// This impl requires enabling the optional `serde` Cargo feature of the `zerovec` crate
impl<T> Serialize for ZeroSlice<T>
where
T: Serialize + AsULE,
diff --git a/vendor/zerovec/src/zerovec/slice.rs b/vendor/zerovec/src/zerovec/slice.rs
index ce27a15b2..847705304 100644
--- a/vendor/zerovec/src/zerovec/slice.rs
+++ b/vendor/zerovec/src/zerovec/slice.rs
@@ -65,12 +65,10 @@ where
/// `bytes` need to be an output from [`ZeroSlice::as_bytes()`].
pub const unsafe fn from_bytes_unchecked(bytes: &[u8]) -> &Self {
// &[u8] and &[T::ULE] are the same slice with different length metadata.
- /// core::slice::from_raw_parts(a, b) = core::mem::transmute((a, b)) hack
- /// ```compile_fail
- /// const unsafe fn canary() { core::slice::from_raw_parts(0 as *const u8, 0); }
- /// ```
- const _: () = ();
- core::mem::transmute((bytes.as_ptr(), bytes.len() / core::mem::size_of::<T::ULE>()))
+ Self::from_ule_slice(core::mem::transmute((
+ bytes.as_ptr(),
+ bytes.len() / core::mem::size_of::<T::ULE>(),
+ )))
}
/// Construct a `&ZeroSlice<T>` from a slice of ULEs.
@@ -235,17 +233,17 @@ where
/// ```
/// use zerovec::ZeroSlice;
///
- /// const bytes: &[u8] = &[0xD3, 0x00, 0x19, 0x01, 0xA5, 0x01, 0xCD, 0x80];
- /// const zs_u16: &ZeroSlice<u16> = {
- /// match ZeroSlice::<u16>::try_from_bytes(bytes) {
+ /// const BYTES: &[u8] = &[0xD3, 0x00, 0x19, 0x01, 0xA5, 0x01, 0xCD, 0x80];
+ /// const ZS_U16: &ZeroSlice<u16> = {
+ /// match ZeroSlice::<u16>::try_from_bytes(BYTES) {
/// Ok(s) => s,
/// Err(_) => unreachable!(),
/// }
/// };
///
- /// let zs_i16: &ZeroSlice<i16> = zs_u16.cast();
+ /// let zs_i16: &ZeroSlice<i16> = ZS_U16.cast();
///
- /// assert_eq!(zs_u16.get(3), Some(32973));
+ /// assert_eq!(ZS_U16.get(3), Some(32973));
/// assert_eq!(zs_i16.get(3), Some(-32563));
/// ```
#[inline]
@@ -268,18 +266,18 @@ where
/// ```
/// use zerovec::ZeroSlice;
///
- /// const bytes: &[u8] = &[0x7F, 0xF3, 0x01, 0x00, 0x49, 0xF6, 0x01, 0x00];
- /// const zs_u32: &ZeroSlice<u32> = {
- /// match ZeroSlice::<u32>::try_from_bytes(bytes) {
+ /// const BYTES: &[u8] = &[0x7F, 0xF3, 0x01, 0x00, 0x49, 0xF6, 0x01, 0x00];
+ /// const ZS_U32: &ZeroSlice<u32> = {
+ /// match ZeroSlice::<u32>::try_from_bytes(BYTES) {
/// Ok(s) => s,
/// Err(_) => unreachable!(),
/// }
/// };
///
/// let zs_u8_4: &ZeroSlice<[u8; 4]> =
- /// zs_u32.try_as_converted().expect("valid code points");
+ /// ZS_U32.try_as_converted().expect("valid code points");
///
- /// assert_eq!(zs_u32.get(0), Some(127871));
+ /// assert_eq!(ZS_U32.get(0), Some(127871));
/// assert_eq!(zs_u8_4.get(0), Some([0x7F, 0xF3, 0x01, 0x00]));
/// ```
#[inline]
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-03 09:08:55 +0000