Merging upstream version 1.74.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

15 files changed, 0 insertions, 3631 deletions

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diff --git a/vendor/kstring/LICENSE-APACHE b/vendor/kstring/LICENSE-APACHE
deleted file mode 100644
index 16fe87b06..000000000
--- a/vendor/kstring/LICENSE-APACHE
+++ /dev/null
@@ -1,201 +0,0 @@
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diff --git a/vendor/kstring/LICENSE-MIT b/vendor/kstring/LICENSE-MIT
deleted file mode 100644
index f1be6b7af..000000000
--- a/vendor/kstring/LICENSE-MIT
+++ /dev/null
@@ -1,21 +0,0 @@
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-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/vendor/kstring/README.md b/vendor/kstring/README.md
deleted file mode 100644
index 91828d01d..000000000
--- a/vendor/kstring/README.md
+++ /dev/null
@@ -1,58 +0,0 @@
-KString
-===========
-
-> Key String: Optimized for map keys.
-
-[![Crates Status](https://img.shields.io/crates/v/kstring.svg)](https://crates.io/crates/kstring)
-
-## Background
-
-Considerations:
-- Large maps
-- Most keys live and drop without being used in any other way
-- Most keys are relatively small (single to double digit bytes)
-- Keys are immutable
-- Allow zero-cost abstractions between structs and maps (e.g. no allocating
-  when dealing with struct field names)
-
-Ramifications:
-- Inline small strings rather than going to the heap.
-- Preserve `&'static str` across strings (`KString`),
-  references (`KStringRef`), and lifetime abstractions (`KStringCow`) to avoid
-  allocating for struct field names.
-- Use `Box<str>` rather than `String` to use less memory.
-
-Features
-- `max_inline`: Instead of aligning the inline-string for performance (15 bytes + length on 64-bit), use the full width (22 bytes on 64-bit)
-- `arc`: Instead of using `Box<str>`, use `Arc<str>`.  Note: allocations are fast enough that this can actually slow things down for small enough strings.
-
-Alternatives
-- [`smol_str`](https://crates.io/crates/smol_str)
-  - Size of String
-  - Always uses `Arc` instead of `Box`
-  - Always inlines 22 bytes
-  - Whitespace-only optimizations
-- [`smartstring`](https://crates.io/crates/smartstring)
-  - Size of String
-  - Allows mutability at the cost of relying on implementation details of `String`
-  - Always inlines 23 bytes
-- [`compact_str`](https://crates.io/crates/compact_str)
-  - Size of String
-  - Always uses `Arc` instead of `Box`
-  - Inlines 22-23 bytes, depending on implementation
-
-## License
-
-Licensed under either of
-
- * Apache License, Version 2.0, (http://www.apache.org/licenses/LICENSE-2.0)
- * MIT license (http://opensource.org/licenses/MIT)
-
-at your option.
-
-### Contribution
-
-Unless you explicitly state otherwise, any contribution intentionally
-submitted for inclusion in the work by you, as defined in the Apache-2.0
-license, shall be dual licensed as above, without any additional terms or
-conditions.
diff --git a/vendor/kstring/benches/access.rs b/vendor/kstring/benches/access.rs
deleted file mode 100644
index a9b92d3d6..000000000
--- a/vendor/kstring/benches/access.rs
+++ /dev/null
@@ -1,134 +0,0 @@
-#![allow(
-    clippy::clone_on_copy,
-    clippy::useless_conversion,
-    clippy::clone_double_ref
-)]
-
-use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};
-
-type StringCow<'s> = std::borrow::Cow<'s, str>;
-
-#[cfg(not(feature = "unstable_bench_subset"))]
-pub static FIXTURES: &[&str] = &[
-    "",
-    "0",
-    "01",
-    "012",
-    "0123",
-    "01234",
-    "012345",
-    "0123456",
-    "01234567",
-    "012345678",
-    "0123456789",
-    "01234567890123456789",
-    "0123456789012345678901234567890123456789",
-    "01234567890123456789012345678901234567890123456789012345678901234567890123456789",
-];
-
-#[cfg(feature = "unstable_bench_subset")]
-pub static FIXTURES: &[&str] = &[
-    "0123456789",
-    "01234567890123456789012345678901234567890123456789012345678901234567890123456789",
-];
-
-// Note: this is meant to measure the overhead for accessing the underlying str.  We shouldn't try
-// to optimize *just* the case being measured here.
-fn bench_access(c: &mut Criterion) {
-    let mut group = c.benchmark_group("access");
-    for fixture in FIXTURES {
-        let len = fixture.len();
-        group.throughput(Throughput::Bytes(len as u64));
-        group.bench_with_input(
-            BenchmarkId::new("StringCow::Borrowed", len),
-            &len,
-            |b, _| {
-                let uut = StringCow::Borrowed(*fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.is_empty())
-            },
-        );
-        group.bench_with_input(BenchmarkId::new("StringCow::Owned", len), &len, |b, _| {
-            let uut = StringCow::Owned(String::from(*fixture));
-            let uut = criterion::black_box(uut);
-            b.iter(|| uut.is_empty())
-        });
-        group.bench_with_input(
-            BenchmarkId::new("KString::from_static", len),
-            &len,
-            |b, _| {
-                let uut = kstring::KString::from_static(*fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.is_empty())
-            },
-        );
-        group.bench_with_input(BenchmarkId::new("KString::from_ref", len), &len, |b, _| {
-            let uut = kstring::KString::from_ref(*fixture);
-            let uut = criterion::black_box(uut);
-            b.iter(|| uut.is_empty())
-        });
-        group.bench_with_input(
-            BenchmarkId::new("KString::from_string", len),
-            &len,
-            |b, _| {
-                let uut = kstring::KString::from_string(String::from(*fixture));
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.is_empty())
-            },
-        );
-        #[cfg(not(feature = "unstable_bench_subset"))]
-        group.bench_with_input(
-            BenchmarkId::new("KStringCow::from_static", len),
-            &len,
-            |b, _| {
-                let uut = kstring::KStringCow::from_static(*fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.is_empty())
-            },
-        );
-        #[cfg(not(feature = "unstable_bench_subset"))]
-        group.bench_with_input(
-            BenchmarkId::new("KStringCow::from_ref", len),
-            &len,
-            |b, _| {
-                let uut = kstring::KStringCow::from_ref(*fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.is_empty())
-            },
-        );
-        #[cfg(not(feature = "unstable_bench_subset"))]
-        group.bench_with_input(
-            BenchmarkId::new("KStringCow::from_string", len),
-            &len,
-            |b, _| {
-                let uut = kstring::KStringCow::from_string(String::from(*fixture));
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.is_empty())
-            },
-        );
-        #[cfg(not(feature = "unstable_bench_subset"))]
-        group.bench_with_input(
-            BenchmarkId::new("KStringRef::from_static", len),
-            &len,
-            |b, _| {
-                let uut = kstring::KStringRef::from_static(*fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.is_empty())
-            },
-        );
-        #[cfg(not(feature = "unstable_bench_subset"))]
-        group.bench_with_input(
-            BenchmarkId::new("KStringRef::from_ref", len),
-            &len,
-            |b, _| {
-                let uut = kstring::KStringRef::from_ref(*fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.is_empty())
-            },
-        );
-    }
-    group.finish();
-}
-
-criterion_group!(benches, bench_access);
-criterion_main!(benches);
diff --git a/vendor/kstring/benches/clone.rs b/vendor/kstring/benches/clone.rs
deleted file mode 100644
index b0740bad9..000000000
--- a/vendor/kstring/benches/clone.rs
+++ /dev/null
@@ -1,139 +0,0 @@
-#![allow(
-    clippy::clone_on_copy,
-    clippy::useless_conversion,
-    clippy::clone_double_ref
-)]
-
-use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};
-
-type StringCow<'s> = std::borrow::Cow<'s, str>;
-
-#[cfg(not(feature = "unstable_bench_subset"))]
-pub static FIXTURES: &[&str] = &[
-    // Empty handling
-    "",
-    // Barely used
-    "1",
-    // kstring's max small-string size
-    "123456789012345",
-    // Boundary conditions for most small-string optimizations
-    "1234567890123456789012",
-    "12345678901234567890123",
-    "123456789012345678901234",
-    "1234567890123456789012345",
-    // Small heap
-    "1234567890123456789012345678901234567890123456789012345678901234",
-    // Large heap
-    "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890",
-];
-
-#[cfg(feature = "unstable_bench_subset")]
-pub static FIXTURES: &[&str] = &[
-    "0123456789",
-    "01234567890123456789012345678901234567890123456789012345678901234567890123456789",
-];
-
-fn bench_clone(c: &mut Criterion) {
-    let mut group = c.benchmark_group("clone");
-    for fixture in FIXTURES {
-        let len = fixture.len();
-        group.throughput(Throughput::Bytes(len as u64));
-        group.bench_with_input(
-            BenchmarkId::new("StringCow::Borrowed", len),
-            &len,
-            |b, _| {
-                let uut = StringCow::Borrowed(*fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.clone())
-            },
-        );
-        group.bench_with_input(BenchmarkId::new("StringCow::Owned", len), &len, |b, _| {
-            let fixture = String::from(*fixture);
-            let uut = StringCow::Owned(fixture);
-            let uut = criterion::black_box(uut);
-            b.iter(|| uut.clone())
-        });
-        group.bench_with_input(
-            BenchmarkId::new("KString::from_static", len),
-            &len,
-            |b, _| {
-                let uut = kstring::KString::from_static(*fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.clone())
-            },
-        );
-        group.bench_with_input(BenchmarkId::new("KString::from_ref", len), &len, |b, _| {
-            let fixture = String::from(*fixture);
-            let uut = kstring::KString::from_ref(&fixture);
-            let uut = criterion::black_box(uut);
-            b.iter(|| uut.clone())
-        });
-        group.bench_with_input(
-            BenchmarkId::new("KString::from_string", len),
-            &len,
-            |b, _| {
-                let fixture = String::from(*fixture);
-                let uut = kstring::KString::from_string(fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.clone())
-            },
-        );
-        #[cfg(not(feature = "unstable_bench_subset"))]
-        group.bench_with_input(
-            BenchmarkId::new("KStringCow::from_static", len),
-            &len,
-            |b, _| {
-                let uut = kstring::KStringCow::from_static(*fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.clone())
-            },
-        );
-        #[cfg(not(feature = "unstable_bench_subset"))]
-        group.bench_with_input(
-            BenchmarkId::new("KStringCow::from_ref", len),
-            &len,
-            |b, _| {
-                let fixture = String::from(*fixture);
-                let uut = kstring::KStringCow::from_ref(&fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.clone())
-            },
-        );
-        #[cfg(not(feature = "unstable_bench_subset"))]
-        group.bench_with_input(
-            BenchmarkId::new("KStringCow::from_string", len),
-            &len,
-            |b, _| {
-                let fixture = String::from(*fixture);
-                let uut = kstring::KStringCow::from_string(fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.clone())
-            },
-        );
-        #[cfg(not(feature = "unstable_bench_subset"))]
-        group.bench_with_input(
-            BenchmarkId::new("KStringRef::from_static", len),
-            &len,
-            |b, _| {
-                let uut = kstring::KStringRef::from_static(*fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.clone())
-            },
-        );
-        #[cfg(not(feature = "unstable_bench_subset"))]
-        group.bench_with_input(
-            BenchmarkId::new("KStringRef::from_ref", len),
-            &len,
-            |b, _| {
-                let fixture = String::from(*fixture);
-                let uut = kstring::KStringRef::from_ref(&fixture);
-                let uut = criterion::black_box(uut);
-                b.iter(|| uut.clone())
-            },
-        );
-    }
-    group.finish();
-}
-
-criterion_group!(benches, bench_clone);
-criterion_main!(benches);
diff --git a/vendor/kstring/examples/bench.rs b/vendor/kstring/examples/bench.rs
deleted file mode 100644
index 8d467da52..000000000
--- a/vendor/kstring/examples/bench.rs
+++ /dev/null
@@ -1,18 +0,0 @@
-fn main() {
-    let mut args = std::env::args();
-    let _ = args.next();
-    let method = args.next().unwrap_or_else(|| String::from("from_ref"));
-    let sample = args.next().unwrap_or_else(|| String::from("0123456789"));
-    let count = args
-        .next()
-        .unwrap_or_else(|| String::from("10000000"))
-        .parse::<usize>()
-        .unwrap();
-    #[allow(clippy::redundant_closure)] // Needed for consistent type
-    let method = match method.as_str() {
-        "from_ref" => |s| kstring::KString::from_ref(s),
-        "from_string" => |s| kstring::KString::from_string(String::from(s)),
-        _ => panic!("{:?} unsupported, try `from_ref`, `from_string`", method),
-    };
-    (0..count).map(|_| method(&sample)).last();
-}
diff --git a/vendor/kstring/src/backend.rs b/vendor/kstring/src/backend.rs
deleted file mode 100644
index 3827082f1..000000000
--- a/vendor/kstring/src/backend.rs
+++ /dev/null
@@ -1,97 +0,0 @@
-#[cfg(feature = "arc")]
-pub(crate) type DefaultStr = crate::backend::ArcStr;
-#[cfg(not(feature = "arc"))]
-pub(crate) type DefaultStr = crate::backend::BoxedStr;
-
-/// Fast allocations, O(n) clones
-pub type BoxedStr = Box<str>;
-static_assertions::assert_eq_size!(DefaultStr, BoxedStr);
-
-/// Cross-thread, O(1) clones
-pub type ArcStr = std::sync::Arc<str>;
-static_assertions::assert_eq_size!(DefaultStr, ArcStr);
-
-/// O(1) clones
-pub type RcStr = std::rc::Rc<str>;
-static_assertions::assert_eq_size!(DefaultStr, RcStr);
-
-/// Abstract over different type of heap-allocated strings
-pub trait HeapStr: std::fmt::Debug + Clone + private::Sealed {
-    fn from_str(other: &str) -> Self;
-    fn from_string(other: String) -> Self;
-    fn from_boxed_str(other: BoxedStr) -> Self;
-    fn as_str(&self) -> &str;
-}
-
-impl HeapStr for BoxedStr {
-    #[inline]
-    fn from_str(other: &str) -> Self {
-        other.into()
-    }
-
-    #[inline]
-    fn from_string(other: String) -> Self {
-        other.into_boxed_str()
-    }
-
-    #[inline]
-    fn from_boxed_str(other: BoxedStr) -> Self {
-        other
-    }
-
-    #[inline]
-    fn as_str(&self) -> &str {
-        self
-    }
-}
-
-impl HeapStr for ArcStr {
-    #[inline]
-    fn from_str(other: &str) -> Self {
-        other.into()
-    }
-
-    #[inline]
-    fn from_string(other: String) -> Self {
-        other.into_boxed_str().into()
-    }
-
-    #[inline]
-    fn from_boxed_str(other: BoxedStr) -> Self {
-        other.into()
-    }
-
-    #[inline]
-    fn as_str(&self) -> &str {
-        self
-    }
-}
-
-impl HeapStr for RcStr {
-    #[inline]
-    fn from_str(other: &str) -> Self {
-        other.into()
-    }
-
-    #[inline]
-    fn from_string(other: String) -> Self {
-        other.into_boxed_str().into()
-    }
-
-    #[inline]
-    fn from_boxed_str(other: BoxedStr) -> Self {
-        other.into()
-    }
-
-    #[inline]
-    fn as_str(&self) -> &str {
-        self
-    }
-}
-
-pub(crate) mod private {
-    pub trait Sealed {}
-    impl Sealed for super::BoxedStr {}
-    impl Sealed for super::ArcStr {}
-    impl Sealed for super::RcStr {}
-}
diff --git a/vendor/kstring/src/lib.rs b/vendor/kstring/src/lib.rs
deleted file mode 100644
index dc1ffd608..000000000
--- a/vendor/kstring/src/lib.rs
+++ /dev/null
@@ -1,78 +0,0 @@
-//! Key String: Optimized for map keys.
-//!
-//! # Examples
-//!
-//! String creation
-//! ```rust
-//! // Explicit
-//! let literal = kstring::KString::from_static("literal");
-//! // Implicit
-//! let literal = kstring::KString::from("literal");
-//!
-//! // Explicit
-//! let inline = kstring::KString::try_inline("stack").unwrap();
-//! let inline = kstring::KString::from_ref("stack");
-//!
-//! let formatted: kstring::KStringCow = format!("Hello {} and {}", literal, inline).into();
-//! ```
-//!
-//! # Background
-//!
-//! Considerations:
-//! - Large maps
-//! - Most keys live and drop without being used in any other way
-//! - Most keys are relatively small (single to double digit bytes)
-//! - Keys are immutable
-//! - Allow zero-cost abstractions between structs and maps (e.g. no allocating
-//!   when dealing with struct field names)
-//!
-//! Ramifications:
-//! - Inline small strings rather than going to the heap.
-//! - Preserve `&'static str` across strings ([`KString`]),
-//!   references ([`KStringRef`]), and lifetime abstractions ([`KStringCow`]) to avoid
-//!   allocating for struct field names.
-//! - Use `Box<str>` rather than `String` to use less memory.
-//!
-//! # Feature Flags
-//!
-#![cfg_attr(feature = "document-features", doc = document_features::document_features!())]
-#![cfg_attr(feature = "safe", forbid(unsafe_code))]
-
-#[cfg(not(feature = "std"))]
-compile_error!("`std` feature is required; reserved for future `no_std` support");
-
-mod stack;
-mod string;
-mod string_cow;
-mod string_ref;
-
-pub mod backend;
-
-pub use stack::StackString;
-pub use string::*;
-pub use string_cow::*;
-pub use string_ref::*;
-
-#[cfg(test)]
-mod test {
-    #[test]
-    fn test_size() {
-        println!(
-            "String: {}",
-            std::mem::size_of::<crate::string::StdString>()
-        );
-        println!(
-            "Box<str>: {}",
-            std::mem::size_of::<crate::backend::DefaultStr>()
-        );
-        println!(
-            "Box<Box<str>>: {}",
-            std::mem::size_of::<Box<crate::backend::DefaultStr>>()
-        );
-        println!("str: {}", std::mem::size_of::<&'static str>());
-        println!(
-            "Cow: {}",
-            std::mem::size_of::<std::borrow::Cow<'static, str>>()
-        );
-    }
-}
diff --git a/vendor/kstring/src/stack.rs b/vendor/kstring/src/stack.rs
deleted file mode 100644
index 93e2f0722..000000000
--- a/vendor/kstring/src/stack.rs
+++ /dev/null
@@ -1,457 +0,0 @@
-use std::fmt;
-
-pub(crate) type Len = u8;
-
-/// Fixed-size stack-allocated string
-#[derive(Copy, Clone)]
-pub struct StackString<const CAPACITY: usize> {
-    len: Len,
-    buffer: StrBuffer<CAPACITY>,
-}
-
-impl<const CAPACITY: usize> StackString<CAPACITY> {
-    pub const CAPACITY: usize = CAPACITY;
-    pub const EMPTY: Self = Self::empty();
-
-    const fn empty() -> Self {
-        Self {
-            len: 0,
-            buffer: StrBuffer::empty(),
-        }
-    }
-
-    /// Create a `StackString` from a `&str`, if it'll fit within `Self::CAPACITY`
-    ///
-    /// # Examples
-    ///
-    /// Basic usage:
-    ///
-    /// ```
-    /// let s = kstring::StackString::<3>::try_new("foo");
-    /// assert_eq!(s.as_deref(), Some("foo"));
-    /// let s = kstring::StackString::<3>::try_new("foobar");
-    /// assert_eq!(s, None);
-    /// ```
-    #[inline]
-    #[must_use]
-    pub fn try_new(s: &str) -> Option<Self> {
-        let len = s.as_bytes().len();
-        if len <= Self::CAPACITY {
-            #[cfg(feature = "unsafe")]
-            let stack = {
-                unsafe {
-                    // SAFETY: We've confirmed `len` is within size
-                    Self::new_unchecked(s)
-                }
-            };
-            #[cfg(not(feature = "unsafe"))]
-            let stack = { Self::new(s) };
-            Some(stack)
-        } else {
-            None
-        }
-    }
-
-    /// Create a `StackString` from a `&str`
-    ///
-    /// # Panic
-    ///
-    /// Calling this function with a string larger than `Self::CAPACITY` will panic
-    ///
-    /// # Examples
-    ///
-    /// Basic usage:
-    ///
-    /// ```
-    /// let s = kstring::StackString::<3>::new("foo");
-    /// assert_eq!(s, "foo");
-    /// ```
-    #[inline]
-    #[must_use]
-    pub fn new(s: &str) -> Self {
-        let len = s.as_bytes().len() as u8;
-        debug_assert!(Self::CAPACITY <= Len::MAX.into());
-        let buffer = StrBuffer::new(s);
-        Self { len, buffer }
-    }
-
-    /// Create a `StackString` from a `&str`
-    ///
-    /// # Safety
-    ///
-    /// Calling this function with a string larger than `Self::CAPACITY` is undefined behavior.
-    ///
-    /// # Examples
-    ///
-    /// Basic usage:
-    ///
-    /// ```
-    /// let s = unsafe {
-    ///     // SAFETY: Literal is short-enough
-    ///     kstring::StackString::<3>::new_unchecked("foo")
-    /// };
-    /// assert_eq!(s, "foo");
-    /// ```
-    #[inline]
-    #[must_use]
-    #[cfg(feature = "unsafe")]
-    pub unsafe fn new_unchecked(s: &str) -> Self {
-        let len = s.as_bytes().len() as u8;
-        debug_assert!(Self::CAPACITY <= Len::MAX.into());
-        let buffer = StrBuffer::new_unchecked(s);
-        Self { len, buffer }
-    }
-
-    /// Extracts a string slice containing the entire `StackString`.
-    ///
-    /// # Examples
-    ///
-    /// Basic usage:
-    ///
-    /// ```
-    /// let s = kstring::StackString::<3>::try_new("foo").unwrap();
-    ///
-    /// assert_eq!("foo", s.as_str());
-    /// ```
-    #[inline]
-    #[must_use]
-    pub fn as_str(&self) -> &str {
-        let len = self.len as usize;
-        #[cfg(feature = "unsafe")]
-        unsafe {
-            // SAFETY: Constructors guarantee that `buffer[..len]` is a `str`,
-            // and we don't mutate the data afterwards.
-            self.buffer.as_str_unchecked(len)
-        }
-        #[cfg(not(feature = "unsafe"))]
-        self.buffer.as_str(len)
-    }
-
-    /// Converts a `StackString` into a mutable string slice.
-    ///
-    /// # Examples
-    ///
-    /// Basic usage:
-    ///
-    /// ```
-    /// let mut s = kstring::StackString::<6>::try_new("foobar").unwrap();
-    /// let s_mut_str = s.as_mut_str();
-    ///
-    /// s_mut_str.make_ascii_uppercase();
-    ///
-    /// assert_eq!("FOOBAR", s_mut_str);
-    /// ```
-    #[inline]
-    #[must_use]
-    pub fn as_mut_str(&mut self) -> &mut str {
-        let len = self.len as usize;
-        #[cfg(feature = "unsafe")]
-        unsafe {
-            // SAFETY: Constructors guarantee that `buffer[..len]` is a `str`,
-            // and we don't mutate the data afterwards.
-            self.buffer.as_mut_str_unchecked(len)
-        }
-        #[cfg(not(feature = "unsafe"))]
-        self.buffer.as_mut_str(len)
-    }
-
-    /// Returns the length of this `StasckString`, in bytes, not [`char`]s or
-    /// graphemes. In other words, it might not be what a human considers the
-    /// length of the string.
-    ///
-    /// # Examples
-    ///
-    /// Basic usage:
-    ///
-    /// ```
-    /// let a = kstring::StackString::<3>::try_new("foo").unwrap();
-    /// assert_eq!(a.len(), 3);
-    ///
-    /// let fancy_f = kstring::StackString::<4>::try_new("ƒoo").unwrap();
-    /// assert_eq!(fancy_f.len(), 4);
-    /// assert_eq!(fancy_f.chars().count(), 3);
-    /// ```
-    #[inline]
-    #[must_use]
-    pub fn len(&self) -> usize {
-        self.len as usize
-    }
-
-    /// Returns `true` if this `StackString` has a length of zero, and `false` otherwise.
-    ///
-    /// # Examples
-    ///
-    /// Basic usage:
-    ///
-    /// ```
-    /// let mut v = kstring::StackString::<20>::EMPTY;
-    /// assert!(v.is_empty());
-    ///
-    /// let a = kstring::StackString::<3>::try_new("foo").unwrap();
-    /// assert!(!a.is_empty());
-    /// ```
-    #[inline]
-    #[must_use]
-    pub fn is_empty(&self) -> bool {
-        self.len() == 0
-    }
-
-    /// Truncates this `StackString`, removing all contents.
-    ///
-    /// # Examples
-    ///
-    /// Basic usage:
-    ///
-    /// ```
-    /// let mut s = kstring::StackString::<3>::try_new("foo").unwrap();
-    ///
-    /// s.clear();
-    ///
-    /// assert!(s.is_empty());
-    /// assert_eq!(0, s.len());
-    /// ```
-    #[inline]
-    pub fn clear(&mut self) {
-        self.len = 0;
-    }
-
-    /// Shortens this `StackString` to the specified length.
-    ///
-    /// If `new_len` is greater than the string's current length, this has no
-    /// effect.
-    ///
-    /// Note that this method has no effect on the allocated capacity
-    /// of the string
-    ///
-    /// # Panics
-    ///
-    /// Panics if `new_len` does not lie on a [`char`] boundary.
-    ///
-    /// # Examples
-    ///
-    /// Basic usage:
-    ///
-    /// ```
-    /// let mut s = kstring::StackString::<5>::try_new("hello").unwrap();
-    ///
-    /// s.truncate(2);
-    ///
-    /// assert_eq!(s, "he");
-    /// ```
-    #[inline]
-    pub fn truncate(&mut self, new_len: usize) {
-        if new_len <= self.len() {
-            assert!(self.is_char_boundary(new_len));
-            self.len = new_len as u8;
-        }
-    }
-}
-
-impl<const CAPACITY: usize> Default for StackString<CAPACITY> {
-    fn default() -> Self {
-        Self::empty()
-    }
-}
-
-impl<const CAPACITY: usize> std::ops::Deref for StackString<CAPACITY> {
-    type Target = str;
-
-    #[inline]
-    fn deref(&self) -> &str {
-        self.as_str()
-    }
-}
-
-impl<const CAPACITY: usize> Eq for StackString<CAPACITY> {}
-
-impl<const C1: usize, const C2: usize> PartialEq<StackString<C1>> for StackString<C2> {
-    #[inline]
-    fn eq(&self, other: &StackString<C1>) -> bool {
-        PartialEq::eq(self.as_str(), other.as_str())
-    }
-}
-
-impl<const CAPACITY: usize> PartialEq<str> for StackString<CAPACITY> {
-    #[inline]
-    fn eq(&self, other: &str) -> bool {
-        PartialEq::eq(self.as_str(), other)
-    }
-}
-
-impl<'s, const CAPACITY: usize> PartialEq<&'s str> for StackString<CAPACITY> {
-    #[inline]
-    fn eq(&self, other: &&str) -> bool {
-        PartialEq::eq(self.as_str(), *other)
-    }
-}
-
-impl<const CAPACITY: usize> PartialEq<String> for StackString<CAPACITY> {
-    #[inline]
-    fn eq(&self, other: &String) -> bool {
-        PartialEq::eq(self.as_str(), other.as_str())
-    }
-}
-
-impl<const CAPACITY: usize> Ord for StackString<CAPACITY> {
-    #[inline]
-    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
-        self.as_str().cmp(other.as_str())
-    }
-}
-
-impl<const C1: usize, const C2: usize> PartialOrd<StackString<C1>> for StackString<C2> {
-    #[inline]
-    fn partial_cmp(&self, other: &StackString<C1>) -> Option<std::cmp::Ordering> {
-        self.as_str().partial_cmp(other.as_str())
-    }
-}
-
-impl<const CAPACITY: usize> PartialOrd<str> for StackString<CAPACITY> {
-    #[inline]
-    fn partial_cmp(&self, other: &str) -> Option<std::cmp::Ordering> {
-        self.as_str().partial_cmp(other)
-    }
-}
-
-impl<'s, const CAPACITY: usize> PartialOrd<&'s str> for StackString<CAPACITY> {
-    #[inline]
-    fn partial_cmp(&self, other: &&str) -> Option<std::cmp::Ordering> {
-        self.as_str().partial_cmp(other)
-    }
-}
-
-impl<const CAPACITY: usize> PartialOrd<String> for StackString<CAPACITY> {
-    #[inline]
-    fn partial_cmp(&self, other: &String) -> Option<std::cmp::Ordering> {
-        self.as_str().partial_cmp(other.as_str())
-    }
-}
-
-impl<const CAPACITY: usize> std::hash::Hash for StackString<CAPACITY> {
-    #[inline]
-    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
-        self.as_str().hash(state);
-    }
-}
-
-impl<const CAPACITY: usize> fmt::Debug for StackString<CAPACITY> {
-    #[inline]
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Debug::fmt(self.as_str(), f)
-    }
-}
-
-impl<const CAPACITY: usize> fmt::Display for StackString<CAPACITY> {
-    #[inline]
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Display::fmt(self.as_str(), f)
-    }
-}
-
-impl<const CAPACITY: usize> AsRef<str> for StackString<CAPACITY> {
-    #[inline]
-    fn as_ref(&self) -> &str {
-        self.as_str()
-    }
-}
-
-impl<const CAPACITY: usize> AsRef<[u8]> for StackString<CAPACITY> {
-    #[inline]
-    fn as_ref(&self) -> &[u8] {
-        self.as_bytes()
-    }
-}
-
-impl<const CAPACITY: usize> AsRef<std::ffi::OsStr> for StackString<CAPACITY> {
-    #[inline]
-    fn as_ref(&self) -> &std::ffi::OsStr {
-        (&**self).as_ref()
-    }
-}
-
-impl<const CAPACITY: usize> AsRef<std::path::Path> for StackString<CAPACITY> {
-    #[inline]
-    fn as_ref(&self) -> &std::path::Path {
-        std::path::Path::new(self)
-    }
-}
-
-impl<const CAPACITY: usize> std::borrow::Borrow<str> for StackString<CAPACITY> {
-    #[inline]
-    fn borrow(&self) -> &str {
-        self.as_str()
-    }
-}
-
-#[derive(Copy, Clone)]
-#[repr(transparent)]
-pub(crate) struct StrBuffer<const CAPACITY: usize>([u8; CAPACITY]);
-
-impl<const CAPACITY: usize> StrBuffer<CAPACITY> {
-    pub(crate) const fn empty() -> Self {
-        let array = [0; CAPACITY];
-        StrBuffer(array)
-    }
-
-    #[inline]
-    pub(crate) fn new(s: &str) -> Self {
-        let len = s.as_bytes().len();
-        debug_assert!(len <= CAPACITY);
-        let mut buffer = Self::default();
-        if let Some(buffer) = buffer.0.get_mut(..len) {
-            buffer.copy_from_slice(s.as_bytes());
-        } else {
-            panic!("`{}` is larger than capacity {}", s, CAPACITY);
-        }
-        buffer
-    }
-
-    #[inline]
-    #[cfg(not(feature = "unsafe"))]
-    pub(crate) fn as_str(&self, len: usize) -> &str {
-        let slice = self.0.get(..len).unwrap();
-        std::str::from_utf8(slice).unwrap()
-    }
-
-    #[inline]
-    #[cfg(not(feature = "unsafe"))]
-    pub(crate) fn as_mut_str(&mut self, len: usize) -> &mut str {
-        let slice = self.0.get_mut(..len).unwrap();
-        std::str::from_utf8_mut(slice).unwrap()
-    }
-}
-
-impl<const CAPACITY: usize> StrBuffer<CAPACITY> {
-    #[inline]
-    #[cfg(feature = "unsafe")]
-    pub(crate) unsafe fn new_unchecked(s: &str) -> Self {
-        let len = s.as_bytes().len();
-        debug_assert!(len <= CAPACITY);
-        let mut buffer = Self::default();
-        buffer
-            .0
-            .get_unchecked_mut(..len)
-            .copy_from_slice(s.as_bytes());
-        buffer
-    }
-
-    #[inline]
-    #[cfg(feature = "unsafe")]
-    pub(crate) unsafe fn as_str_unchecked(&self, len: usize) -> &str {
-        let slice = self.0.get_unchecked(..len);
-        std::str::from_utf8_unchecked(slice)
-    }
-
-    #[inline]
-    #[cfg(feature = "unsafe")]
-    pub(crate) unsafe fn as_mut_str_unchecked(&mut self, len: usize) -> &mut str {
-        let slice = self.0.get_unchecked_mut(..len);
-        std::str::from_utf8_unchecked_mut(slice)
-    }
-}
-
-impl<const CAPACITY: usize> Default for StrBuffer<CAPACITY> {
-    fn default() -> Self {
-        Self::empty()
-    }
-}
diff --git a/vendor/kstring/src/string.rs b/vendor/kstring/src/string.rs
deleted file mode 100644
index ed39d188a..000000000
--- a/vendor/kstring/src/string.rs
+++ /dev/null
@@ -1,865 +0,0 @@
-use std::{borrow::Cow, fmt};
-
-use crate::stack::StackString;
-use crate::KStringCowBase;
-use crate::KStringRef;
-
-pub(crate) type StdString = std::string::String;
-
-/// A UTF-8 encoded, immutable string.
-pub type KString = KStringBase<crate::backend::DefaultStr>;
-
-/// A UTF-8 encoded, immutable string.
-#[derive(Clone)]
-#[repr(transparent)]
-pub struct KStringBase<B> {
-    inner: KStringInner<B>,
-}
-
-impl<B> KStringBase<B> {
-    pub const EMPTY: Self = KStringBase::from_static("");
-
-    /// Create a new empty `KStringBase`.
-    #[inline]
-    #[must_use]
-    pub fn new() -> Self {
-        Self::EMPTY
-    }
-
-    /// Create a reference to a `'static` data.
-    #[inline]
-    #[must_use]
-    pub const fn from_static(other: &'static str) -> Self {
-        Self {
-            inner: KStringInner::from_static(other),
-        }
-    }
-
-    /// Create an inline string, if possible
-    #[inline]
-    #[must_use]
-    pub fn try_inline(other: &str) -> Option<Self> {
-        KStringInner::try_inline(other).map(|inner| Self { inner })
-    }
-}
-
-impl<B: crate::backend::HeapStr> KStringBase<B> {
-    /// Create an owned `KStringBase`.
-    #[inline]
-    #[must_use]
-    pub fn from_boxed(other: crate::backend::BoxedStr) -> Self {
-        Self {
-            inner: KStringInner::from_boxed(other),
-        }
-    }
-
-    /// Create an owned `KStringBase`.
-    #[inline]
-    #[must_use]
-    pub fn from_string(other: StdString) -> Self {
-        Self {
-            inner: KStringInner::from_string(other),
-        }
-    }
-
-    /// Create an owned `KStringBase` optimally from a reference.
-    #[inline]
-    #[must_use]
-    pub fn from_ref(other: &str) -> Self {
-        Self {
-            inner: KStringInner::from_ref(other),
-        }
-    }
-
-    /// Get a reference to the `KStringBase`.
-    #[inline]
-    #[must_use]
-    pub fn as_ref(&self) -> KStringRef<'_> {
-        self.inner.as_ref()
-    }
-
-    /// Extracts a string slice containing the entire `KStringBase`.
-    #[inline]
-    #[must_use]
-    pub fn as_str(&self) -> &str {
-        self.inner.as_str()
-    }
-
-    /// Convert to a mutable string type, cloning the data if necessary.
-    #[inline]
-    #[must_use]
-    pub fn into_string(self) -> StdString {
-        String::from(self.into_boxed_str())
-    }
-
-    /// Convert to a mutable string type, cloning the data if necessary.
-    #[inline]
-    #[must_use]
-    pub fn into_boxed_str(self) -> crate::backend::BoxedStr {
-        self.inner.into_boxed_str()
-    }
-
-    /// Convert to a Cow str
-    #[inline]
-    #[must_use]
-    pub fn into_cow_str(self) -> Cow<'static, str> {
-        self.inner.into_cow_str()
-    }
-}
-
-impl<B: crate::backend::HeapStr> std::ops::Deref for KStringBase<B> {
-    type Target = str;
-
-    #[inline]
-    fn deref(&self) -> &str {
-        self.as_str()
-    }
-}
-
-impl<B: crate::backend::HeapStr> Eq for KStringBase<B> {}
-
-impl<'s, B: crate::backend::HeapStr> PartialEq<KStringBase<B>> for KStringBase<B> {
-    #[inline]
-    fn eq(&self, other: &Self) -> bool {
-        PartialEq::eq(self.as_str(), other.as_str())
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> PartialEq<str> for KStringBase<B> {
-    #[inline]
-    fn eq(&self, other: &str) -> bool {
-        PartialEq::eq(self.as_str(), other)
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> PartialEq<&'s str> for KStringBase<B> {
-    #[inline]
-    fn eq(&self, other: &&str) -> bool {
-        PartialEq::eq(self.as_str(), *other)
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> PartialEq<String> for KStringBase<B> {
-    #[inline]
-    fn eq(&self, other: &StdString) -> bool {
-        PartialEq::eq(self.as_str(), other.as_str())
-    }
-}
-
-impl<B: crate::backend::HeapStr> Ord for KStringBase<B> {
-    #[inline]
-    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
-        self.as_str().cmp(other.as_str())
-    }
-}
-
-impl<B: crate::backend::HeapStr> PartialOrd for KStringBase<B> {
-    #[inline]
-    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
-        self.as_str().partial_cmp(other.as_str())
-    }
-}
-
-impl<B: crate::backend::HeapStr> std::hash::Hash for KStringBase<B> {
-    #[inline]
-    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
-        self.as_str().hash(state);
-    }
-}
-
-impl<B: crate::backend::HeapStr> fmt::Debug for KStringBase<B> {
-    #[inline]
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        self.as_str().fmt(f)
-    }
-}
-
-impl<B: crate::backend::HeapStr> fmt::Display for KStringBase<B> {
-    #[inline]
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Display::fmt(self.as_str(), f)
-    }
-}
-
-impl<B: crate::backend::HeapStr> AsRef<str> for KStringBase<B> {
-    #[inline]
-    fn as_ref(&self) -> &str {
-        self.as_str()
-    }
-}
-
-impl<B: crate::backend::HeapStr> AsRef<[u8]> for KStringBase<B> {
-    #[inline]
-    fn as_ref(&self) -> &[u8] {
-        self.as_bytes()
-    }
-}
-
-impl<B: crate::backend::HeapStr> AsRef<std::ffi::OsStr> for KStringBase<B> {
-    #[inline]
-    fn as_ref(&self) -> &std::ffi::OsStr {
-        (&**self).as_ref()
-    }
-}
-
-impl<B: crate::backend::HeapStr> AsRef<std::path::Path> for KStringBase<B> {
-    #[inline]
-    fn as_ref(&self) -> &std::path::Path {
-        std::path::Path::new(self)
-    }
-}
-
-impl<B: crate::backend::HeapStr> std::borrow::Borrow<str> for KStringBase<B> {
-    #[inline]
-    fn borrow(&self) -> &str {
-        self.as_str()
-    }
-}
-
-impl<B: crate::backend::HeapStr> Default for KStringBase<B> {
-    #[inline]
-    fn default() -> Self {
-        Self::new()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<KStringRef<'s>> for KStringBase<B> {
-    #[inline]
-    fn from(other: KStringRef<'s>) -> Self {
-        other.to_owned()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<&'s KStringRef<'s>> for KStringBase<B> {
-    #[inline]
-    fn from(other: &'s KStringRef<'s>) -> Self {
-        other.to_owned()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<KStringCowBase<'s, B>> for KStringBase<B> {
-    #[inline]
-    fn from(other: KStringCowBase<'s, B>) -> Self {
-        other.into_owned()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<&'s KStringCowBase<'s, B>> for KStringBase<B> {
-    #[inline]
-    fn from(other: &'s KStringCowBase<'s, B>) -> Self {
-        other.clone().into_owned()
-    }
-}
-
-impl<B: crate::backend::HeapStr> From<StdString> for KStringBase<B> {
-    #[inline]
-    fn from(other: StdString) -> Self {
-        Self::from_string(other)
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<&'s StdString> for KStringBase<B> {
-    #[inline]
-    fn from(other: &'s StdString) -> Self {
-        Self::from_ref(other)
-    }
-}
-
-impl<B: crate::backend::HeapStr> From<crate::backend::BoxedStr> for KStringBase<B> {
-    #[inline]
-    fn from(other: crate::backend::BoxedStr) -> Self {
-        Self::from_boxed(other)
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<&'s crate::backend::BoxedStr> for KStringBase<B> {
-    #[inline]
-    fn from(other: &'s crate::backend::BoxedStr) -> Self {
-        Self::from_ref(other)
-    }
-}
-
-impl<B: crate::backend::HeapStr> From<&'static str> for KStringBase<B> {
-    #[inline]
-    fn from(other: &'static str) -> Self {
-        Self::from_static(other)
-    }
-}
-
-impl<B: crate::backend::HeapStr> std::str::FromStr for KStringBase<B> {
-    type Err = std::convert::Infallible;
-    #[inline]
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        Ok(Self::from_ref(s))
-    }
-}
-
-#[cfg(feature = "serde")]
-impl<B: crate::backend::HeapStr> serde::Serialize for KStringBase<B> {
-    #[inline]
-    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: serde::Serializer,
-    {
-        serializer.serialize_str(self.as_str())
-    }
-}
-
-#[cfg(feature = "serde")]
-impl<'de, B: crate::backend::HeapStr> serde::Deserialize<'de> for KStringBase<B> {
-    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
-    where
-        D: serde::Deserializer<'de>,
-    {
-        deserializer.deserialize_string(StringVisitor(std::marker::PhantomData))
-    }
-}
-
-#[cfg(feature = "serde")]
-struct StringVisitor<B>(std::marker::PhantomData<B>);
-
-#[cfg(feature = "serde")]
-impl<'de, B: crate::backend::HeapStr> serde::de::Visitor<'de> for StringVisitor<B> {
-    type Value = KStringBase<B>;
-
-    fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
-        formatter.write_str("a string")
-    }
-
-    fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
-    where
-        E: serde::de::Error,
-    {
-        Ok(Self::Value::from_ref(v))
-    }
-
-    fn visit_string<E>(self, v: String) -> Result<Self::Value, E>
-    where
-        E: serde::de::Error,
-    {
-        Ok(Self::Value::from_string(v))
-    }
-
-    fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
-    where
-        E: serde::de::Error,
-    {
-        match std::str::from_utf8(v) {
-            Ok(s) => Ok(Self::Value::from_ref(s)),
-            Err(_) => Err(serde::de::Error::invalid_value(
-                serde::de::Unexpected::Bytes(v),
-                &self,
-            )),
-        }
-    }
-
-    fn visit_byte_buf<E>(self, v: Vec<u8>) -> Result<Self::Value, E>
-    where
-        E: serde::de::Error,
-    {
-        match String::from_utf8(v) {
-            Ok(s) => Ok(Self::Value::from_string(s)),
-            Err(e) => Err(serde::de::Error::invalid_value(
-                serde::de::Unexpected::Bytes(&e.into_bytes()),
-                &self,
-            )),
-        }
-    }
-}
-
-use inner::KStringInner;
-
-#[cfg(not(feature = "unsafe"))]
-mod inner {
-    use super::*;
-
-    pub(super) enum KStringInner<B> {
-        Singleton(&'static str),
-        Inline(StackString<CAPACITY>),
-        Owned(B),
-    }
-
-    impl<B> KStringInner<B> {
-        /// Create a reference to a `'static` data.
-        #[inline]
-        pub const fn from_static(other: &'static str) -> Self {
-            Self::Singleton(other)
-        }
-
-        #[inline]
-        pub fn try_inline(other: &str) -> Option<Self> {
-            StackString::try_new(other).map(Self::Inline)
-        }
-    }
-
-    impl<B: crate::backend::HeapStr> KStringInner<B> {
-        #[inline]
-        pub(super) fn from_boxed(other: crate::backend::BoxedStr) -> Self {
-            #[allow(clippy::useless_conversion)]
-            Self::Owned(B::from_boxed_str(other))
-        }
-
-        #[inline]
-        pub(super) fn from_string(other: StdString) -> Self {
-            if (0..=CAPACITY).contains(&other.len()) {
-                let inline = { StackString::new(other.as_str()) };
-                Self::Inline(inline)
-            } else {
-                Self::from_boxed(other.into_boxed_str())
-            }
-        }
-
-        #[inline]
-        pub(super) fn from_ref(other: &str) -> Self {
-            if (0..=CAPACITY).contains(&other.len()) {
-                let inline = { StackString::new(other) };
-                Self::Inline(inline)
-            } else {
-                Self::Owned(B::from_str(other))
-            }
-        }
-
-        #[inline]
-        pub(super) fn as_ref(&self) -> KStringRef<'_> {
-            match self {
-                Self::Singleton(s) => KStringRef::from_static(s),
-                Self::Inline(s) => KStringRef::from_ref(s.as_str()),
-                Self::Owned(s) => KStringRef::from_ref(s.as_str()),
-            }
-        }
-
-        #[inline]
-        pub(super) fn as_str(&self) -> &str {
-            match self {
-                Self::Singleton(s) => s,
-                Self::Inline(s) => s.as_str(),
-                Self::Owned(s) => s.as_str(),
-            }
-        }
-
-        #[inline]
-        pub(super) fn into_boxed_str(self) -> crate::backend::BoxedStr {
-            match self {
-                Self::Singleton(s) => crate::backend::BoxedStr::from(s),
-                Self::Inline(s) => crate::backend::BoxedStr::from(s.as_str()),
-                Self::Owned(s) => crate::backend::BoxedStr::from(s.as_str()),
-            }
-        }
-
-        /// Convert to a Cow str
-        #[inline]
-        pub(super) fn into_cow_str(self) -> Cow<'static, str> {
-            match self {
-                Self::Singleton(s) => Cow::Borrowed(s),
-                Self::Inline(s) => Cow::Owned(s.as_str().into()),
-                Self::Owned(s) => Cow::Owned(s.as_str().into()),
-            }
-        }
-    }
-
-    // Explicit to avoid inlining which cuts clone times in half.
-    //
-    // An automatically derived `clone()` has 10ns overhead while the explicit `Deref`/`as_str` has
-    // none of that.  Being explicit and removing the `#[inline]` attribute dropped the overhead to
-    // 5ns.
-    //
-    // My only guess is that the `clone()` calls we delegate to are just that much bigger than
-    // `as_str()` that, when combined with a jump table, is blowing the icache, slowing things down.
-    impl<B: Clone> Clone for KStringInner<B> {
-        fn clone(&self) -> Self {
-            match self {
-                Self::Singleton(s) => Self::Singleton(s),
-                Self::Inline(s) => Self::Inline(*s),
-                Self::Owned(s) => Self::Owned(s.clone()),
-            }
-        }
-    }
-
-    #[allow(unused)]
-    const LEN_SIZE: usize = std::mem::size_of::<crate::stack::Len>();
-
-    #[allow(unused)]
-    const TAG_SIZE: usize = std::mem::size_of::<u8>();
-
-    #[allow(unused)]
-    const MAX_CAPACITY: usize =
-        std::mem::size_of::<crate::string::StdString>() - TAG_SIZE - LEN_SIZE;
-
-    // Performance seems to slow down when trying to occupy all of the padding left by `String`'s
-    // discriminant.  The question is whether faster len=1-16 "allocations" outweighs going to the heap
-    // for len=17-22.
-    #[allow(unused)]
-    const ALIGNED_CAPACITY: usize = std::mem::size_of::<crate::backend::DefaultStr>() - LEN_SIZE;
-
-    #[cfg(feature = "max_inline")]
-    const CAPACITY: usize = MAX_CAPACITY;
-    #[cfg(not(feature = "max_inline"))]
-    const CAPACITY: usize = ALIGNED_CAPACITY;
-}
-
-#[cfg(feature = "unsafe")]
-mod inner {
-    use super::*;
-
-    pub(super) union KStringInner<B> {
-        tag: TagVariant,
-        singleton: SingletonVariant,
-        owned: std::mem::ManuallyDrop<OwnedVariant<B>>,
-        inline: InlineVariant,
-    }
-
-    impl<B> KStringInner<B> {
-        /// Create a reference to a `'static` data.
-        #[inline]
-        pub const fn from_static(other: &'static str) -> Self {
-            Self {
-                singleton: SingletonVariant::new(other),
-            }
-        }
-
-        #[inline]
-        pub fn try_inline(other: &str) -> Option<Self> {
-            StackString::try_new(other).map(|inline| Self {
-                inline: InlineVariant::new(inline),
-            })
-        }
-
-        #[inline]
-        const fn tag(&self) -> Tag {
-            unsafe {
-                // SAFETY: `tag` is in the same spot in each variant
-                self.tag.tag
-            }
-        }
-    }
-
-    impl<B: crate::backend::HeapStr> KStringInner<B> {
-        #[inline]
-        pub(super) fn from_boxed(other: crate::backend::BoxedStr) -> Self {
-            #[allow(clippy::useless_conversion)]
-            let payload = B::from_boxed_str(other);
-            Self {
-                owned: std::mem::ManuallyDrop::new(OwnedVariant::new(payload)),
-            }
-        }
-
-        #[inline]
-        pub(super) fn from_string(other: StdString) -> Self {
-            if (0..=CAPACITY).contains(&other.len()) {
-                let payload = unsafe {
-                    // SAFETY: range check ensured this is always safe
-                    StackString::new_unchecked(other.as_str())
-                };
-                Self {
-                    inline: InlineVariant::new(payload),
-                }
-            } else {
-                Self::from_boxed(other.into_boxed_str())
-            }
-        }
-
-        #[inline]
-        pub(super) fn from_ref(other: &str) -> Self {
-            if (0..=CAPACITY).contains(&other.len()) {
-                let payload = unsafe {
-                    // SAFETY: range check ensured this is always safe
-                    StackString::new_unchecked(other)
-                };
-                Self {
-                    inline: InlineVariant::new(payload),
-                }
-            } else {
-                #[allow(clippy::useless_conversion)]
-                let payload = B::from_str(other);
-                Self {
-                    owned: std::mem::ManuallyDrop::new(OwnedVariant::new(payload)),
-                }
-            }
-        }
-
-        #[inline]
-        pub(super) fn as_ref(&self) -> KStringRef<'_> {
-            let tag = self.tag();
-            unsafe {
-                // SAFETY: `tag` ensures access to correct variant
-                if tag.is_singleton() {
-                    KStringRef::from_static(self.singleton.payload)
-                } else if tag.is_owned() {
-                    KStringRef::from_ref(self.owned.payload.as_str())
-                } else {
-                    debug_assert!(tag.is_inline());
-                    KStringRef::from_ref(self.inline.payload.as_str())
-                }
-            }
-        }
-
-        #[inline]
-        pub(super) fn as_str(&self) -> &str {
-            let tag = self.tag();
-            unsafe {
-                // SAFETY: `tag` ensures access to correct variant
-                if tag.is_singleton() {
-                    self.singleton.payload
-                } else if tag.is_owned() {
-                    self.owned.payload.as_str()
-                } else {
-                    debug_assert!(tag.is_inline());
-                    self.inline.payload.as_str()
-                }
-            }
-        }
-
-        #[inline]
-        pub(super) fn into_boxed_str(self) -> crate::backend::BoxedStr {
-            let tag = self.tag();
-            unsafe {
-                // SAFETY: `tag` ensures access to correct variant
-                if tag.is_singleton() {
-                    crate::backend::BoxedStr::from(self.singleton.payload)
-                } else if tag.is_owned() {
-                    crate::backend::BoxedStr::from(self.owned.payload.as_str())
-                } else {
-                    debug_assert!(tag.is_inline());
-                    crate::backend::BoxedStr::from(self.inline.payload.as_ref())
-                }
-            }
-        }
-
-        /// Convert to a Cow str
-        #[inline]
-        pub(super) fn into_cow_str(self) -> Cow<'static, str> {
-            let tag = self.tag();
-            unsafe {
-                // SAFETY: `tag` ensures access to correct variant
-                if tag.is_singleton() {
-                    Cow::Borrowed(self.singleton.payload)
-                } else if tag.is_owned() {
-                    Cow::Owned(self.owned.payload.as_str().into())
-                } else {
-                    debug_assert!(tag.is_inline());
-                    Cow::Owned(self.inline.payload.as_str().into())
-                }
-            }
-        }
-    }
-
-    // Explicit to avoid inlining which cuts clone times in half.
-    //
-    // An automatically derived `clone()` has 10ns overhead while the explicit `Deref`/`as_str` has
-    // none of that.  Being explicit and removing the `#[inline]` attribute dropped the overhead to
-    // 5ns.
-    //
-    // My only guess is that the `clone()` calls we delegate to are just that much bigger than
-    // `as_str()` that, when combined with a jump table, is blowing the icache, slowing things down.
-    impl<B: Clone> Clone for KStringInner<B> {
-        fn clone(&self) -> Self {
-            let tag = self.tag();
-            if tag.is_owned() {
-                unsafe {
-                    // SAFETY: `tag` ensures access to correct variant
-                    Self {
-                        owned: std::mem::ManuallyDrop::new(OwnedVariant::new(
-                            self.owned.payload.clone(),
-                        )),
-                    }
-                }
-            } else {
-                unsafe {
-                    // SAFETY: `tag` ensures access to correct variant
-                    // SAFETY: non-owned types are copyable
-                    std::mem::transmute_copy(self)
-                }
-            }
-        }
-    }
-
-    impl<B> Drop for KStringInner<B> {
-        fn drop(&mut self) {
-            let tag = self.tag();
-            if tag.is_owned() {
-                unsafe {
-                    // SAFETY: `tag` ensures we are using the right variant
-                    std::mem::ManuallyDrop::drop(&mut self.owned)
-                }
-            }
-        }
-    }
-
-    #[allow(unused)]
-    const LEN_SIZE: usize = std::mem::size_of::<crate::stack::Len>();
-
-    #[allow(unused)]
-    const TAG_SIZE: usize = std::mem::size_of::<Tag>();
-
-    #[allow(unused)]
-    const PAYLOAD_SIZE: usize = std::mem::size_of::<crate::backend::DefaultStr>();
-    type Payload = Padding<PAYLOAD_SIZE>;
-
-    #[allow(unused)]
-    const TARGET_SIZE: usize = std::mem::size_of::<Target>();
-    type Target = crate::string::StdString;
-
-    #[allow(unused)]
-    const MAX_CAPACITY: usize = TARGET_SIZE - LEN_SIZE - TAG_SIZE;
-
-    // Performance seems to slow down when trying to occupy all of the padding left by `String`'s
-    // discriminant.  The question is whether faster len=1-16 "allocations" outweighs going to the heap
-    // for len=17-22.
-    #[allow(unused)]
-    const ALIGNED_CAPACITY: usize = PAYLOAD_SIZE - LEN_SIZE;
-
-    #[cfg(feature = "max_inline")]
-    const CAPACITY: usize = MAX_CAPACITY;
-    #[cfg(not(feature = "max_inline"))]
-    const CAPACITY: usize = ALIGNED_CAPACITY;
-
-    const PAYLOAD_PAD_SIZE: usize = TARGET_SIZE - PAYLOAD_SIZE - TAG_SIZE;
-    const INLINE_PAD_SIZE: usize = TARGET_SIZE - CAPACITY - LEN_SIZE - TAG_SIZE;
-
-    #[derive(Copy, Clone)]
-    #[repr(C)]
-    struct TagVariant {
-        payload: Payload,
-        pad: Padding<PAYLOAD_PAD_SIZE>,
-        tag: Tag,
-    }
-    static_assertions::assert_eq_size!(Target, TagVariant);
-
-    #[derive(Copy, Clone)]
-    #[repr(C)]
-    struct SingletonVariant {
-        payload: &'static str,
-        pad: Padding<PAYLOAD_PAD_SIZE>,
-        tag: Tag,
-    }
-    static_assertions::assert_eq_size!(Payload, &'static str);
-    static_assertions::assert_eq_size!(Target, SingletonVariant);
-
-    impl SingletonVariant {
-        #[inline]
-        const fn new(payload: &'static str) -> Self {
-            Self {
-                payload,
-                pad: Padding::new(),
-                tag: Tag::SINGLETON,
-            }
-        }
-    }
-
-    impl std::fmt::Debug for SingletonVariant {
-        #[inline]
-        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-            self.payload.fmt(f)
-        }
-    }
-
-    #[derive(Clone)]
-    #[repr(C)]
-    struct OwnedVariant<B> {
-        payload: B,
-        pad: Padding<PAYLOAD_PAD_SIZE>,
-        tag: Tag,
-    }
-    static_assertions::assert_eq_size!(Payload, crate::backend::DefaultStr);
-    static_assertions::assert_eq_size!(Target, OwnedVariant<crate::backend::DefaultStr>);
-
-    impl<B> OwnedVariant<B> {
-        #[inline]
-        const fn new(payload: B) -> Self {
-            Self {
-                payload,
-                pad: Padding::new(),
-                tag: Tag::OWNED,
-            }
-        }
-    }
-
-    impl<B: crate::backend::HeapStr> std::fmt::Debug for OwnedVariant<B> {
-        #[inline]
-        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-            self.payload.fmt(f)
-        }
-    }
-
-    #[derive(Copy, Clone)]
-    #[repr(C)]
-    struct InlineVariant {
-        payload: StackString<CAPACITY>,
-        pad: Padding<INLINE_PAD_SIZE>,
-        tag: Tag,
-    }
-    static_assertions::assert_eq_size!(Target, InlineVariant);
-
-    impl InlineVariant {
-        #[inline]
-        const fn new(payload: StackString<CAPACITY>) -> Self {
-            Self {
-                payload,
-                pad: Padding::new(),
-                tag: Tag::INLINE,
-            }
-        }
-    }
-
-    impl std::fmt::Debug for InlineVariant {
-        #[inline]
-        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-            self.payload.fmt(f)
-        }
-    }
-
-    #[derive(Copy, Clone, PartialEq, Eq)]
-    #[repr(transparent)]
-    struct Tag(u8);
-
-    impl Tag {
-        const SINGLETON: Tag = Tag(0);
-        const OWNED: Tag = Tag(u8::MAX);
-        const INLINE: Tag = Tag(1);
-
-        #[inline]
-        const fn is_singleton(self) -> bool {
-            self.0 == Self::SINGLETON.0
-        }
-
-        #[inline]
-        const fn is_owned(self) -> bool {
-            self.0 == Self::OWNED.0
-        }
-
-        #[inline]
-        const fn is_inline(self) -> bool {
-            !self.is_singleton() && !self.is_owned()
-        }
-    }
-
-    #[derive(Copy, Clone)]
-    #[repr(transparent)]
-    struct Padding<const L: usize>([std::mem::MaybeUninit<u8>; L]);
-
-    impl<const L: usize> Padding<L> {
-        const fn new() -> Self {
-            let padding = unsafe {
-                // SAFETY: Padding, never actually used
-                std::mem::MaybeUninit::uninit().assume_init()
-            };
-            Self(padding)
-        }
-    }
-
-    impl<const L: usize> Default for Padding<L> {
-        fn default() -> Self {
-            Self::new()
-        }
-    }
-}
-
-#[cfg(test)]
-mod test {
-    use super::*;
-
-    #[test]
-    fn test_size() {
-        println!("KString: {}", std::mem::size_of::<KString>());
-    }
-}
diff --git a/vendor/kstring/src/string_cow.rs b/vendor/kstring/src/string_cow.rs
deleted file mode 100644
index 6a1b4b89a..000000000
--- a/vendor/kstring/src/string_cow.rs
+++ /dev/null
@@ -1,383 +0,0 @@
-use std::{borrow::Cow, fmt};
-
-use crate::KStringBase;
-use crate::KStringRef;
-use crate::KStringRefInner;
-
-type StdString = std::string::String;
-type BoxedStr = Box<str>;
-
-/// A reference to a UTF-8 encoded, immutable string.
-pub type KStringCow<'s> = KStringCowBase<'s, crate::backend::DefaultStr>;
-
-/// A reference to a UTF-8 encoded, immutable string.
-#[derive(Clone)]
-#[repr(transparent)]
-pub struct KStringCowBase<'s, B = crate::backend::DefaultStr> {
-    pub(crate) inner: KStringCowInner<'s, B>,
-}
-
-#[derive(Clone)]
-pub(crate) enum KStringCowInner<'s, B> {
-    Borrowed(&'s str),
-    Owned(KStringBase<B>),
-}
-
-impl<'s, B> KStringCowBase<'s, B> {
-    /// Create a new empty `KStringCowBase`.
-    #[inline]
-    #[must_use]
-    pub const fn new() -> Self {
-        Self::from_static("")
-    }
-
-    /// Create a reference to a `'static` data.
-    #[inline]
-    #[must_use]
-    pub const fn from_static(other: &'static str) -> Self {
-        Self {
-            inner: KStringCowInner::Owned(KStringBase::from_static(other)),
-        }
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> KStringCowBase<'s, B> {
-    /// Create an owned `KStringCowBase`.
-    #[inline]
-    #[must_use]
-    pub fn from_boxed(other: BoxedStr) -> Self {
-        Self {
-            inner: KStringCowInner::Owned(KStringBase::from_boxed(other)),
-        }
-    }
-
-    /// Create an owned `KStringCowBase`.
-    #[inline]
-    #[must_use]
-    pub fn from_string(other: StdString) -> Self {
-        Self {
-            inner: KStringCowInner::Owned(KStringBase::from_string(other)),
-        }
-    }
-
-    /// Create a reference to a borrowed data.
-    #[inline]
-    #[must_use]
-    pub fn from_ref(other: &'s str) -> Self {
-        Self {
-            inner: KStringCowInner::Borrowed(other),
-        }
-    }
-
-    /// Get a reference to the `KStringBase`.
-    #[inline]
-    #[must_use]
-    pub fn as_ref(&self) -> KStringRef<'_> {
-        self.inner.as_ref()
-    }
-
-    /// Clone the data into an owned-type.
-    #[inline]
-    #[must_use]
-    pub fn into_owned(self) -> KStringBase<B> {
-        self.inner.into_owned()
-    }
-
-    /// Extracts a string slice containing the entire `KStringCowBase`.
-    #[inline]
-    #[must_use]
-    pub fn as_str(&self) -> &str {
-        self.inner.as_str()
-    }
-
-    /// Convert to a mutable string type, cloning the data if necessary.
-    #[inline]
-    #[must_use]
-    pub fn into_string(self) -> StdString {
-        String::from(self.into_boxed_str())
-    }
-
-    /// Convert to a mutable string type, cloning the data if necessary.
-    #[inline]
-    #[must_use]
-    pub fn into_boxed_str(self) -> BoxedStr {
-        self.inner.into_boxed_str()
-    }
-
-    /// Convert to a Cow str
-    #[inline]
-    #[must_use]
-    pub fn into_cow_str(self) -> Cow<'s, str> {
-        self.inner.into_cow_str()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> KStringCowInner<'s, B> {
-    #[inline]
-    fn as_ref(&self) -> KStringRef<'_> {
-        match self {
-            Self::Borrowed(s) => KStringRef::from_ref(s),
-            Self::Owned(s) => s.as_ref(),
-        }
-    }
-
-    #[inline]
-    fn into_owned(self) -> KStringBase<B> {
-        match self {
-            Self::Borrowed(s) => KStringBase::from_ref(s),
-            Self::Owned(s) => s,
-        }
-    }
-
-    #[inline]
-    fn as_str(&self) -> &str {
-        match self {
-            Self::Borrowed(s) => s,
-            Self::Owned(s) => s.as_str(),
-        }
-    }
-
-    #[inline]
-    fn into_boxed_str(self) -> BoxedStr {
-        match self {
-            Self::Borrowed(s) => BoxedStr::from(s),
-            Self::Owned(s) => s.into_boxed_str(),
-        }
-    }
-
-    /// Convert to a Cow str
-    #[inline]
-    fn into_cow_str(self) -> Cow<'s, str> {
-        match self {
-            Self::Borrowed(s) => Cow::Borrowed(s),
-            Self::Owned(s) => s.into_cow_str(),
-        }
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> std::ops::Deref for KStringCowBase<'s, B> {
-    type Target = str;
-
-    #[inline]
-    fn deref(&self) -> &str {
-        self.as_str()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> Eq for KStringCowBase<'s, B> {}
-
-impl<'s, B: crate::backend::HeapStr> PartialEq<KStringCowBase<'s, B>> for KStringCowBase<'s, B> {
-    #[inline]
-    fn eq(&self, other: &KStringCowBase<'s, B>) -> bool {
-        PartialEq::eq(self.as_str(), other.as_str())
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> PartialEq<str> for KStringCowBase<'s, B> {
-    #[inline]
-    fn eq(&self, other: &str) -> bool {
-        PartialEq::eq(self.as_str(), other)
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> PartialEq<&'s str> for KStringCowBase<'s, B> {
-    #[inline]
-    fn eq(&self, other: &&str) -> bool {
-        PartialEq::eq(self.as_str(), *other)
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> PartialEq<String> for KStringCowBase<'s, B> {
-    #[inline]
-    fn eq(&self, other: &StdString) -> bool {
-        PartialEq::eq(self.as_str(), other.as_str())
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> Ord for KStringCowBase<'s, B> {
-    #[inline]
-    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
-        self.as_str().cmp(other.as_str())
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> PartialOrd for KStringCowBase<'s, B> {
-    #[inline]
-    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
-        self.as_str().partial_cmp(other.as_str())
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> std::hash::Hash for KStringCowBase<'s, B> {
-    #[inline]
-    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
-        self.as_str().hash(state);
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> fmt::Debug for KStringCowBase<'s, B> {
-    #[inline]
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        self.as_str().fmt(f)
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> fmt::Display for KStringCowBase<'s, B> {
-    #[inline]
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Display::fmt(self.as_str(), f)
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> AsRef<str> for KStringCowBase<'s, B> {
-    #[inline]
-    fn as_ref(&self) -> &str {
-        self.as_str()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> AsRef<[u8]> for KStringCowBase<'s, B> {
-    #[inline]
-    fn as_ref(&self) -> &[u8] {
-        self.as_bytes()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> AsRef<std::ffi::OsStr> for KStringCowBase<'s, B> {
-    #[inline]
-    fn as_ref(&self) -> &std::ffi::OsStr {
-        (&**self).as_ref()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> AsRef<std::path::Path> for KStringCowBase<'s, B> {
-    #[inline]
-    fn as_ref(&self) -> &std::path::Path {
-        std::path::Path::new(self)
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> std::borrow::Borrow<str> for KStringCowBase<'s, B> {
-    #[inline]
-    fn borrow(&self) -> &str {
-        self.as_str()
-    }
-}
-
-impl<'s, B> Default for KStringCowBase<'s, B> {
-    #[inline]
-    fn default() -> Self {
-        Self::new()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<KStringBase<B>> for KStringCowBase<'s, B> {
-    #[inline]
-    fn from(other: KStringBase<B>) -> Self {
-        let inner = KStringCowInner::Owned(other);
-        Self { inner }
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<&'s KStringBase<B>> for KStringCowBase<'s, B> {
-    #[inline]
-    fn from(other: &'s KStringBase<B>) -> Self {
-        let other = other.as_ref();
-        other.into()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<KStringRef<'s>> for KStringCowBase<'s, B> {
-    #[inline]
-    fn from(other: KStringRef<'s>) -> Self {
-        match other.inner {
-            KStringRefInner::Borrowed(s) => Self::from_ref(s),
-            KStringRefInner::Singleton(s) => Self::from_static(s),
-        }
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<&'s KStringRef<'s>> for KStringCowBase<'s, B> {
-    #[inline]
-    fn from(other: &'s KStringRef<'s>) -> Self {
-        match other.inner {
-            KStringRefInner::Borrowed(s) => Self::from_ref(s),
-            KStringRefInner::Singleton(s) => Self::from_static(s),
-        }
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<StdString> for KStringCowBase<'s, B> {
-    #[inline]
-    fn from(other: StdString) -> Self {
-        Self::from_string(other)
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<&'s StdString> for KStringCowBase<'s, B> {
-    #[inline]
-    fn from(other: &'s StdString) -> Self {
-        Self::from_ref(other.as_str())
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<BoxedStr> for KStringCowBase<'s, B> {
-    #[inline]
-    fn from(other: BoxedStr) -> Self {
-        // Since the memory is already allocated, don't bother moving it into a FixedString
-        Self::from_boxed(other)
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<&'s BoxedStr> for KStringCowBase<'s, B> {
-    #[inline]
-    fn from(other: &'s BoxedStr) -> Self {
-        Self::from_ref(other)
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<&'s str> for KStringCowBase<'s, B> {
-    #[inline]
-    fn from(other: &'s str) -> Self {
-        Self::from_ref(other)
-    }
-}
-
-impl<B: crate::backend::HeapStr> std::str::FromStr for KStringCowBase<'_, B> {
-    type Err = std::convert::Infallible;
-    #[inline]
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        Ok(Self::from_string(s.into()))
-    }
-}
-
-#[cfg(feature = "serde")]
-impl<'s, B: crate::backend::HeapStr> serde::Serialize for KStringCowBase<'s, B> {
-    #[inline]
-    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: serde::Serializer,
-    {
-        serializer.serialize_str(self.as_str())
-    }
-}
-
-#[cfg(feature = "serde")]
-impl<'de, 's, B: crate::backend::HeapStr> serde::Deserialize<'de> for KStringCowBase<'s, B> {
-    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
-    where
-        D: serde::Deserializer<'de>,
-    {
-        KStringBase::deserialize(deserializer).map(|s| s.into())
-    }
-}
-
-#[cfg(test)]
-mod test {
-    use super::*;
-
-    #[test]
-    fn test_size() {
-        println!("KStringCow: {}", std::mem::size_of::<KStringCow<'static>>());
-    }
-}
diff --git a/vendor/kstring/src/string_ref.rs b/vendor/kstring/src/string_ref.rs
deleted file mode 100644
index a79b9d46c..000000000
--- a/vendor/kstring/src/string_ref.rs
+++ /dev/null
@@ -1,277 +0,0 @@
-use std::fmt;
-
-use crate::KStringBase;
-use crate::KStringCowBase;
-
-type StdString = std::string::String;
-type BoxedStr = Box<str>;
-
-/// A reference to a UTF-8 encoded, immutable string.
-#[derive(Copy, Clone)]
-#[repr(transparent)]
-pub struct KStringRef<'s> {
-    pub(crate) inner: KStringRefInner<'s>,
-}
-
-#[derive(Copy, Clone, Debug)]
-pub(crate) enum KStringRefInner<'s> {
-    Borrowed(&'s str),
-    Singleton(&'static str),
-}
-
-impl<'s> KStringRef<'s> {
-    /// Create a new empty `KStringBase`.
-    #[inline]
-    #[must_use]
-    pub const fn new() -> Self {
-        Self::from_static("")
-    }
-
-    /// Create a reference to a `'static` data.
-    #[inline]
-    #[must_use]
-    pub const fn from_static(other: &'static str) -> Self {
-        Self {
-            inner: KStringRefInner::Singleton(other),
-        }
-    }
-
-    /// Create a reference to a borrowed data.
-    #[inline]
-    #[must_use]
-    pub fn from_ref(other: &'s str) -> Self {
-        Self {
-            inner: KStringRefInner::Borrowed(other),
-        }
-    }
-
-    /// Clone the data into an owned-type.
-    #[inline]
-    #[must_use]
-    #[allow(clippy::wrong_self_convention)]
-    pub fn to_owned<B: crate::backend::HeapStr>(&self) -> KStringBase<B> {
-        self.inner.to_owned()
-    }
-
-    /// Extracts a string slice containing the entire `KStringRef`.
-    #[inline]
-    #[must_use]
-    pub fn as_str(&self) -> &str {
-        self.inner.as_str()
-    }
-
-    /// Convert to a mutable string type, cloning the data if necessary.
-    #[inline]
-    #[must_use]
-    pub fn into_mut(self) -> StdString {
-        self.inner.into_mut()
-    }
-}
-
-impl<'s> KStringRefInner<'s> {
-    #[inline]
-    #[allow(clippy::wrong_self_convention)]
-    fn to_owned<B: crate::backend::HeapStr>(&self) -> KStringBase<B> {
-        match self {
-            Self::Borrowed(s) => KStringBase::from_ref(s),
-            Self::Singleton(s) => KStringBase::from_static(s),
-        }
-    }
-
-    #[inline]
-    fn as_str(&self) -> &str {
-        match self {
-            Self::Borrowed(s) => s,
-            Self::Singleton(s) => s,
-        }
-    }
-
-    #[inline]
-    fn into_mut(self) -> StdString {
-        self.as_str().to_owned()
-    }
-}
-
-impl<'s> std::ops::Deref for KStringRef<'s> {
-    type Target = str;
-
-    #[inline]
-    fn deref(&self) -> &str {
-        self.as_str()
-    }
-}
-
-impl<'s> Eq for KStringRef<'s> {}
-
-impl<'s> PartialEq<KStringRef<'s>> for KStringRef<'s> {
-    #[inline]
-    fn eq(&self, other: &KStringRef<'s>) -> bool {
-        PartialEq::eq(self.as_str(), other.as_str())
-    }
-}
-
-impl<'s> PartialEq<str> for KStringRef<'s> {
-    #[inline]
-    fn eq(&self, other: &str) -> bool {
-        PartialEq::eq(self.as_str(), other)
-    }
-}
-
-impl<'s> PartialEq<&'s str> for KStringRef<'s> {
-    #[inline]
-    fn eq(&self, other: &&str) -> bool {
-        PartialEq::eq(self.as_str(), *other)
-    }
-}
-
-impl<'s> PartialEq<String> for KStringRef<'s> {
-    #[inline]
-    fn eq(&self, other: &StdString) -> bool {
-        PartialEq::eq(self.as_str(), other.as_str())
-    }
-}
-
-impl<'s> Ord for KStringRef<'s> {
-    #[inline]
-    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
-        self.as_str().cmp(other.as_str())
-    }
-}
-
-impl<'s> PartialOrd for KStringRef<'s> {
-    #[inline]
-    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
-        self.as_str().partial_cmp(other.as_str())
-    }
-}
-
-impl<'s> std::hash::Hash for KStringRef<'s> {
-    #[inline]
-    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
-        self.as_str().hash(state);
-    }
-}
-
-impl<'s> fmt::Debug for KStringRef<'s> {
-    #[inline]
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Debug::fmt(&self.inner, f)
-    }
-}
-
-impl<'s> fmt::Display for KStringRef<'s> {
-    #[inline]
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Display::fmt(self.as_str(), f)
-    }
-}
-
-impl<'s> AsRef<str> for KStringRef<'s> {
-    #[inline]
-    fn as_ref(&self) -> &str {
-        self.as_str()
-    }
-}
-
-impl<'s> AsRef<[u8]> for KStringRef<'s> {
-    #[inline]
-    fn as_ref(&self) -> &[u8] {
-        self.as_bytes()
-    }
-}
-
-impl<'s> AsRef<std::ffi::OsStr> for KStringRef<'s> {
-    #[inline]
-    fn as_ref(&self) -> &std::ffi::OsStr {
-        (&**self).as_ref()
-    }
-}
-
-impl<'s> AsRef<std::path::Path> for KStringRef<'s> {
-    #[inline]
-    fn as_ref(&self) -> &std::path::Path {
-        std::path::Path::new(self)
-    }
-}
-
-impl<'s> std::borrow::Borrow<str> for KStringRef<'s> {
-    #[inline]
-    fn borrow(&self) -> &str {
-        self.as_str()
-    }
-}
-
-impl<'s> Default for KStringRef<'s> {
-    #[inline]
-    fn default() -> Self {
-        Self::new()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<&'s KStringBase<B>> for KStringRef<'s> {
-    #[inline]
-    fn from(other: &'s KStringBase<B>) -> Self {
-        other.as_ref()
-    }
-}
-
-impl<'s, B: crate::backend::HeapStr> From<&'s KStringCowBase<'s, B>> for KStringRef<'s> {
-    #[inline]
-    fn from(other: &'s KStringCowBase<'s, B>) -> Self {
-        other.as_ref()
-    }
-}
-
-impl<'s> From<&'s StdString> for KStringRef<'s> {
-    #[inline]
-    fn from(other: &'s StdString) -> Self {
-        KStringRef::from_ref(other.as_str())
-    }
-}
-
-impl<'s> From<&'s BoxedStr> for KStringRef<'s> {
-    #[inline]
-    fn from(other: &'s BoxedStr) -> Self {
-        Self::from_ref(other)
-    }
-}
-
-impl<'s> From<&'s str> for KStringRef<'s> {
-    #[inline]
-    fn from(other: &'s str) -> Self {
-        KStringRef::from_ref(other)
-    }
-}
-
-#[cfg(feature = "serde")]
-impl<'s> serde::Serialize for KStringRef<'s> {
-    #[inline]
-    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: serde::Serializer,
-    {
-        serializer.serialize_str(self.as_str())
-    }
-}
-
-#[cfg(feature = "serde")]
-impl<'de: 's, 's> serde::Deserialize<'de> for KStringRef<'s> {
-    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
-    where
-        D: serde::Deserializer<'de>,
-    {
-        let s: &'s str = serde::Deserialize::deserialize(deserializer)?;
-        let s = KStringRef::from_ref(s);
-        Ok(s)
-    }
-}
-
-#[cfg(test)]
-mod test {
-    use super::*;
-
-    #[test]
-    fn test_size() {
-        println!("KStringRef: {}", std::mem::size_of::<KStringRef<'static>>());
-    }
-}