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-rw-r--r--vendor/crossbeam-epoch/.cargo-checksum.json2
-rw-r--r--vendor/crossbeam-epoch/CHANGELOG.md5
-rw-r--r--vendor/crossbeam-epoch/Cargo.lock48
-rw-r--r--vendor/crossbeam-epoch/Cargo.toml7
-rw-r--r--vendor/crossbeam-epoch/no_atomic.rs6
-rw-r--r--vendor/crossbeam-epoch/src/default.rs34
-rw-r--r--vendor/crossbeam-epoch/src/lib.rs2
-rw-r--r--vendor/crossbeam-epoch/src/sync/mod.rs3
-rw-r--r--vendor/crossbeam-epoch/src/sync/once_lock.rs103
9 files changed, 164 insertions, 46 deletions
diff --git a/vendor/crossbeam-epoch/.cargo-checksum.json b/vendor/crossbeam-epoch/.cargo-checksum.json
index 21e5f8500..d069e3a4b 100644
--- a/vendor/crossbeam-epoch/.cargo-checksum.json
+++ b/vendor/crossbeam-epoch/.cargo-checksum.json
@@ -1 +1 @@
-{"files":{"CHANGELOG.md":"4a701ed7814fbde912aa7a1d15c95ed6b7ba3cd661c64f92c17b3b8bf67ecf5e","Cargo.lock":"018d954edeff6a45c6af01735239b639a83eed8258176481c6e9dae366085760","Cargo.toml":"4c1451a736e2ec0b31dfe6080140b69fdc614a0606db876308f1badf932dc1b9","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"5734ed989dfca1f625b40281ee9f4530f91b2411ec01cb748223e7eb87e201ab","README.md":"d67d0cf57751a019707dd95785345ee181a10ea80237789bc3c19bf28c0d45ca","benches/defer.rs":"c330b704d96b2ad1aed29f72c37a99da534adef8cb06a3976d5f93bf567abb20","benches/flush.rs":"0389ac6c473632f0e93c962f223404cc360257f6699b4ec90b9b3be16bb6d74f","benches/pin.rs":"2f649a5153745c7930efdb32a52f9dc522f7b8cf548a251c5e2c82ee25dc3fff","build.rs":"89e236e4e22dd748720129dcd02edfc08adccf708a7f0b03e41780e5bafb39cc","examples/sanitize.rs":"a39d1635fa61e643e59192d7a63becc97ff81f03c1f4e03d38cedefb1525026a","no_atomic.rs":"916ed15218bb7b75a4e0d432430e7134efd27ca43ca8a8766e0c90e89febb602","src/atomic.rs":"1bd4275c1411852024533e8a70959dfedf72029e3253544d1fbb0cc18b6fd519","src/collector.rs":"29e5911f61510247659b0090517bd1a38d11e1ed86e35811603cb599962d9a58","src/default.rs":"9c4d3951981d47efc748674d64b22eff27ecb2e3ef16369aa423592740ce6033","src/deferred.rs":"0c87df5797212778edd3c2d5fcf0cc04e8b9ed100261ecf9522f74a90804a3d5","src/epoch.rs":"d31e66d8fe62299928e25867336d96391b26a4fe890a1cae0885dfcf36d6835b","src/guard.rs":"f4439909152d38c03b6dfb6eeba6c9f07c39962187d461c92a492c27c258670b","src/internal.rs":"ac40ce276f0ed3dfd561926b78f775592eabb90790e177edde41fe50c13b8256","src/lib.rs":"1c0765413dd66d4655e6417a69829ac5c2f4d504f66f77a87fe9c230c05e039d","src/sync/list.rs":"10aa4c59845ab9ff1d8bcb6f594b70bbe23c320fa7a2b125fdf85df88b9d61e2","src/sync/mod.rs":"cbc6334460d73761c3dea7f99ed2ccbf267d5da3bc76c812e94f85c9f4565c6a","src/sync/queue.rs":"06173b2255677d0d39178ceb49876fda2878f491e907c595eb65643dbb43c9ba","tests/loom.rs":"db772f4478966de6ec98774ca4093171dc942da635822a0d2d3257d31188cb9b"},"package":"045ebe27666471bb549370b4b0b3e51b07f56325befa4284db65fc89c02511b1"} \ No newline at end of file
+{"files":{"CHANGELOG.md":"930bdf6d05b1fae72bb844f6c26e0a35cc83b810a987baaf5d279044d3b3f74d","Cargo.lock":"ce25f4d162a39d180e7369954bc512ab2ab1ab3b04f6f071cb2212bd43b3bbc3","Cargo.toml":"f2a34cbd48fff1346070f503da83c9149db91c7a098a0b486007fd6a39ba6a1b","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"5734ed989dfca1f625b40281ee9f4530f91b2411ec01cb748223e7eb87e201ab","README.md":"d67d0cf57751a019707dd95785345ee181a10ea80237789bc3c19bf28c0d45ca","benches/defer.rs":"c330b704d96b2ad1aed29f72c37a99da534adef8cb06a3976d5f93bf567abb20","benches/flush.rs":"0389ac6c473632f0e93c962f223404cc360257f6699b4ec90b9b3be16bb6d74f","benches/pin.rs":"2f649a5153745c7930efdb32a52f9dc522f7b8cf548a251c5e2c82ee25dc3fff","build.rs":"89e236e4e22dd748720129dcd02edfc08adccf708a7f0b03e41780e5bafb39cc","examples/sanitize.rs":"a39d1635fa61e643e59192d7a63becc97ff81f03c1f4e03d38cedefb1525026a","no_atomic.rs":"f58085b9d0666ccf62e0ae17fb5dae937c0a86fcc55dc0ae04ad8659e696a49c","src/atomic.rs":"1bd4275c1411852024533e8a70959dfedf72029e3253544d1fbb0cc18b6fd519","src/collector.rs":"29e5911f61510247659b0090517bd1a38d11e1ed86e35811603cb599962d9a58","src/default.rs":"62edf5e1f934eb82d8d7f010d6f25366e6851145a6f0a162372202bb63da1f3a","src/deferred.rs":"0c87df5797212778edd3c2d5fcf0cc04e8b9ed100261ecf9522f74a90804a3d5","src/epoch.rs":"d31e66d8fe62299928e25867336d96391b26a4fe890a1cae0885dfcf36d6835b","src/guard.rs":"f4439909152d38c03b6dfb6eeba6c9f07c39962187d461c92a492c27c258670b","src/internal.rs":"ac40ce276f0ed3dfd561926b78f775592eabb90790e177edde41fe50c13b8256","src/lib.rs":"a036d73230d0574011e67be11d275fe46439a1b5fc3295cb242d9179e5e0a220","src/sync/list.rs":"10aa4c59845ab9ff1d8bcb6f594b70bbe23c320fa7a2b125fdf85df88b9d61e2","src/sync/mod.rs":"326e32489d467e974c441120640a8338aa55da55c24b20276075ce9053997326","src/sync/once_lock.rs":"c03dc9c05a817e087dccf8b682f7307501542805533551da3c2bab442bc40743","src/sync/queue.rs":"06173b2255677d0d39178ceb49876fda2878f491e907c595eb65643dbb43c9ba","tests/loom.rs":"db772f4478966de6ec98774ca4093171dc942da635822a0d2d3257d31188cb9b"},"package":"f916dfc5d356b0ed9dae65f1db9fc9770aa2851d2662b988ccf4fe3516e86348"} \ No newline at end of file
diff --git a/vendor/crossbeam-epoch/CHANGELOG.md b/vendor/crossbeam-epoch/CHANGELOG.md
index b05a52dfc..3aac87b7f 100644
--- a/vendor/crossbeam-epoch/CHANGELOG.md
+++ b/vendor/crossbeam-epoch/CHANGELOG.md
@@ -1,3 +1,8 @@
+# Version 0.9.11
+
+- Removes the dependency on the `once_cell` crate to restore the MSRV. (#913)
+- Work around [rust-lang#98302](https://github.com/rust-lang/rust/issues/98302), which causes compile error on windows-gnu when LTO is enabled. (#913)
+
# Version 0.9.10
- Bump the minimum supported Rust version to 1.38. (#877)
diff --git a/vendor/crossbeam-epoch/Cargo.lock b/vendor/crossbeam-epoch/Cargo.lock
index 726980a93..3ded5c77e 100644
--- a/vendor/crossbeam-epoch/Cargo.lock
+++ b/vendor/crossbeam-epoch/Cargo.lock
@@ -31,14 +31,13 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "crossbeam-epoch"
-version = "0.9.10"
+version = "0.9.11"
dependencies = [
"autocfg",
"cfg-if",
"crossbeam-utils",
"loom",
"memoffset",
- "once_cell",
"rand",
"rustversion",
"scopeguard",
@@ -46,13 +45,12 @@ dependencies = [
[[package]]
name = "crossbeam-utils"
-version = "0.8.11"
+version = "0.8.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51887d4adc7b564537b15adcfb307936f8075dfcd5f00dde9a9f1d29383682bc"
+checksum = "edbafec5fa1f196ca66527c1b12c2ec4745ca14b50f1ad8f9f6f720b55d11fac"
dependencies = [
"cfg-if",
"loom",
- "once_cell",
]
[[package]]
@@ -87,9 +85,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
[[package]]
name = "libc"
-version = "0.2.126"
+version = "0.2.133"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+checksum = "c0f80d65747a3e43d1596c7c5492d95d5edddaabd45a7fcdb02b95f644164966"
[[package]]
name = "log"
@@ -133,9 +131,9 @@ dependencies = [
[[package]]
name = "once_cell"
-version = "1.13.0"
+version = "1.15.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
+checksum = "e82dad04139b71a90c080c8463fe0dc7902db5192d939bd0950f074d014339e1"
[[package]]
name = "pin-project-lite"
@@ -151,18 +149,18 @@ checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
[[package]]
name = "proc-macro2"
-version = "1.0.40"
+version = "1.0.46"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd96a1e8ed2596c337f8eae5f24924ec83f5ad5ab21ea8e455d3566c69fbcaf7"
+checksum = "94e2ef8dbfc347b10c094890f778ee2e36ca9bb4262e86dc99cd217e35f3470b"
dependencies = [
"unicode-ident",
]
[[package]]
name = "quote"
-version = "1.0.20"
+version = "1.0.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3bcdf212e9776fbcb2d23ab029360416bb1706b1aea2d1a5ba002727cbcab804"
+checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
dependencies = [
"proc-macro2",
]
@@ -190,9 +188,9 @@ dependencies = [
[[package]]
name = "rand_core"
-version = "0.6.3"
+version = "0.6.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
dependencies = [
"getrandom",
]
@@ -223,9 +221,9 @@ checksum = "a3f87b73ce11b1619a3c6332f45341e0047173771e8b8b73f87bfeefb7b56244"
[[package]]
name = "rustversion"
-version = "1.0.8"
+version = "1.0.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24c8ad4f0c00e1eb5bc7614d236a7f1300e3dbd76b68cac8e06fb00b015ad8d8"
+checksum = "97477e48b4cf8603ad5f7aaf897467cf42ab4218a38ef76fb14c2d6773a6d6a8"
[[package]]
name = "scoped-tls"
@@ -256,9 +254,9 @@ checksum = "2fd0db749597d91ff862fd1d55ea87f7855a744a8425a64695b6fca237d1dad1"
[[package]]
name = "syn"
-version = "1.0.98"
+version = "1.0.101"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c50aef8a904de4c23c788f104b7dddc7d6f79c647c7c8ce4cc8f73eb0ca773dd"
+checksum = "e90cde112c4b9690b8cbe810cba9ddd8bc1d7472e2cae317b69e9438c1cba7d2"
dependencies = [
"proc-macro2",
"quote",
@@ -276,9 +274,9 @@ dependencies = [
[[package]]
name = "tracing"
-version = "0.1.35"
+version = "0.1.36"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a400e31aa60b9d44a52a8ee0343b5b18566b03a8321e0d321f695cf56e940160"
+checksum = "2fce9567bd60a67d08a16488756721ba392f24f29006402881e43b19aac64307"
dependencies = [
"cfg-if",
"pin-project-lite",
@@ -299,9 +297,9 @@ dependencies = [
[[package]]
name = "tracing-core"
-version = "0.1.28"
+version = "0.1.29"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b7358be39f2f274f322d2aaed611acc57f382e8eb1e5b48cb9ae30933495ce7"
+checksum = "5aeea4303076558a00714b823f9ad67d58a3bbda1df83d8827d21193156e22f7"
dependencies = [
"once_cell",
"valuable",
@@ -338,9 +336,9 @@ dependencies = [
[[package]]
name = "unicode-ident"
-version = "1.0.2"
+version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15c61ba63f9235225a22310255a29b806b907c9b8c964bcbd0a2c70f3f2deea7"
+checksum = "dcc811dc4066ac62f84f11307873c4850cb653bfa9b1719cee2bd2204a4bc5dd"
[[package]]
name = "valuable"
diff --git a/vendor/crossbeam-epoch/Cargo.toml b/vendor/crossbeam-epoch/Cargo.toml
index 1551c3c2c..0f8e23864 100644
--- a/vendor/crossbeam-epoch/Cargo.toml
+++ b/vendor/crossbeam-epoch/Cargo.toml
@@ -13,7 +13,7 @@
edition = "2018"
rust-version = "1.38"
name = "crossbeam-epoch"
-version = "0.9.10"
+version = "0.9.11"
description = "Epoch-based garbage collection"
homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-epoch"
readme = "README.md"
@@ -41,10 +41,6 @@ default-features = false
[dependencies.memoffset]
version = "0.6"
-[dependencies.once_cell]
-version = "1"
-optional = true
-
[dependencies.scopeguard]
version = "1.1"
default-features = false
@@ -69,7 +65,6 @@ nightly = ["crossbeam-utils/nightly"]
std = [
"alloc",
"crossbeam-utils/std",
- "once_cell",
]
[target."cfg(crossbeam_loom)".dependencies.loom-crate]
diff --git a/vendor/crossbeam-epoch/no_atomic.rs b/vendor/crossbeam-epoch/no_atomic.rs
index f740aaee1..675d9a27e 100644
--- a/vendor/crossbeam-epoch/no_atomic.rs
+++ b/vendor/crossbeam-epoch/no_atomic.rs
@@ -2,6 +2,8 @@
// It is not intended for manual editing.
const NO_ATOMIC_CAS: &[&str] = &[
+ "armv4t-none-eabi",
+ "armv5te-none-eabi",
"avr-unknown-gnu-atmega328",
"bpfeb-unknown-none",
"bpfel-unknown-none",
@@ -10,6 +12,7 @@ const NO_ATOMIC_CAS: &[&str] = &[
"riscv32im-unknown-none-elf",
"riscv32imc-unknown-none-elf",
"thumbv4t-none-eabi",
+ "thumbv5te-none-eabi",
"thumbv6m-none-eabi",
];
@@ -18,7 +21,9 @@ const NO_ATOMIC_64: &[&str] = &[
"arm-linux-androideabi",
"armebv7r-none-eabi",
"armebv7r-none-eabihf",
+ "armv4t-none-eabi",
"armv4t-unknown-linux-gnueabi",
+ "armv5te-none-eabi",
"armv5te-unknown-linux-gnueabi",
"armv5te-unknown-linux-musleabi",
"armv5te-unknown-linux-uclibceabi",
@@ -55,6 +60,7 @@ const NO_ATOMIC_64: &[&str] = &[
"riscv32imac-unknown-xous-elf",
"riscv32imc-unknown-none-elf",
"thumbv4t-none-eabi",
+ "thumbv5te-none-eabi",
"thumbv6m-none-eabi",
"thumbv7em-none-eabi",
"thumbv7em-none-eabihf",
diff --git a/vendor/crossbeam-epoch/src/default.rs b/vendor/crossbeam-epoch/src/default.rs
index c2b4852a4..b42c1c7a7 100644
--- a/vendor/crossbeam-epoch/src/default.rs
+++ b/vendor/crossbeam-epoch/src/default.rs
@@ -8,22 +8,30 @@ use crate::collector::{Collector, LocalHandle};
use crate::guard::Guard;
use crate::primitive::thread_local;
#[cfg(not(crossbeam_loom))]
-use once_cell::sync::Lazy;
+use crate::sync::once_lock::OnceLock;
-/// The global data for the default garbage collector.
-#[cfg(not(crossbeam_loom))]
-static COLLECTOR: Lazy<Collector> = Lazy::new(Collector::new);
-// FIXME: loom does not currently provide the equivalent of Lazy:
-// https://github.com/tokio-rs/loom/issues/263
-#[cfg(crossbeam_loom)]
-loom::lazy_static! {
- /// The global data for the default garbage collector.
- static ref COLLECTOR: Collector = Collector::new();
+fn collector() -> &'static Collector {
+ #[cfg(not(crossbeam_loom))]
+ {
+ /// The global data for the default garbage collector.
+ static COLLECTOR: OnceLock<Collector> = OnceLock::new();
+ COLLECTOR.get_or_init(Collector::new)
+ }
+ // FIXME: loom does not currently provide the equivalent of Lazy:
+ // https://github.com/tokio-rs/loom/issues/263
+ #[cfg(crossbeam_loom)]
+ {
+ loom::lazy_static! {
+ /// The global data for the default garbage collector.
+ static ref COLLECTOR: Collector = Collector::new();
+ }
+ &COLLECTOR
+ }
}
thread_local! {
/// The per-thread participant for the default garbage collector.
- static HANDLE: LocalHandle = COLLECTOR.register();
+ static HANDLE: LocalHandle = collector().register();
}
/// Pins the current thread.
@@ -40,7 +48,7 @@ pub fn is_pinned() -> bool {
/// Returns the default global collector.
pub fn default_collector() -> &'static Collector {
- &COLLECTOR
+ collector()
}
#[inline]
@@ -50,7 +58,7 @@ where
{
HANDLE
.try_with(|h| f(h))
- .unwrap_or_else(|_| f(&COLLECTOR.register()))
+ .unwrap_or_else(|_| f(&collector().register()))
}
#[cfg(all(test, not(crossbeam_loom)))]
diff --git a/vendor/crossbeam-epoch/src/lib.rs b/vendor/crossbeam-epoch/src/lib.rs
index 4cf982b6b..b432c1f40 100644
--- a/vendor/crossbeam-epoch/src/lib.rs
+++ b/vendor/crossbeam-epoch/src/lib.rs
@@ -107,7 +107,7 @@ mod primitive {
// https://github.com/tokio-rs/loom#handling-loom-api-differences
impl<T> UnsafeCell<T> {
#[inline]
- pub(crate) fn new(data: T) -> UnsafeCell<T> {
+ pub(crate) const fn new(data: T) -> UnsafeCell<T> {
UnsafeCell(::core::cell::UnsafeCell::new(data))
}
diff --git a/vendor/crossbeam-epoch/src/sync/mod.rs b/vendor/crossbeam-epoch/src/sync/mod.rs
index 5c06e7643..08981be25 100644
--- a/vendor/crossbeam-epoch/src/sync/mod.rs
+++ b/vendor/crossbeam-epoch/src/sync/mod.rs
@@ -1,4 +1,7 @@
//! Synchronization primitives.
pub(crate) mod list;
+#[cfg(feature = "std")]
+#[cfg(not(crossbeam_loom))]
+pub(crate) mod once_lock;
pub(crate) mod queue;
diff --git a/vendor/crossbeam-epoch/src/sync/once_lock.rs b/vendor/crossbeam-epoch/src/sync/once_lock.rs
new file mode 100644
index 000000000..c1fefc96c
--- /dev/null
+++ b/vendor/crossbeam-epoch/src/sync/once_lock.rs
@@ -0,0 +1,103 @@
+// Based on unstable std::sync::OnceLock.
+//
+// Source: https://github.com/rust-lang/rust/blob/8e9c93df464b7ada3fc7a1c8ccddd9dcb24ee0a0/library/std/src/sync/once_lock.rs
+
+use core::cell::UnsafeCell;
+use core::mem::MaybeUninit;
+use core::sync::atomic::{AtomicBool, Ordering};
+use std::sync::Once;
+
+pub(crate) struct OnceLock<T> {
+ once: Once,
+ // Once::is_completed requires Rust 1.43, so use this to track of whether they have been initialized.
+ is_initialized: AtomicBool,
+ value: UnsafeCell<MaybeUninit<T>>,
+ // Unlike std::sync::OnceLock, we don't need PhantomData here because
+ // we don't use #[may_dangle].
+}
+
+unsafe impl<T: Sync + Send> Sync for OnceLock<T> {}
+unsafe impl<T: Send> Send for OnceLock<T> {}
+
+impl<T> OnceLock<T> {
+ /// Creates a new empty cell.
+ #[must_use]
+ pub(crate) const fn new() -> Self {
+ Self {
+ once: Once::new(),
+ is_initialized: AtomicBool::new(false),
+ value: UnsafeCell::new(MaybeUninit::uninit()),
+ }
+ }
+
+ /// Gets the contents of the cell, initializing it with `f` if the cell
+ /// was empty.
+ ///
+ /// Many threads may call `get_or_init` concurrently with different
+ /// initializing functions, but it is guaranteed that only one function
+ /// will be executed.
+ ///
+ /// # Panics
+ ///
+ /// If `f` panics, the panic is propagated to the caller, and the cell
+ /// remains uninitialized.
+ ///
+ /// It is an error to reentrantly initialize the cell from `f`. The
+ /// exact outcome is unspecified. Current implementation deadlocks, but
+ /// this may be changed to a panic in the future.
+ pub(crate) fn get_or_init<F>(&self, f: F) -> &T
+ where
+ F: FnOnce() -> T,
+ {
+ // Fast path check
+ if self.is_initialized() {
+ // SAFETY: The inner value has been initialized
+ return unsafe { self.get_unchecked() };
+ }
+ self.initialize(f);
+
+ debug_assert!(self.is_initialized());
+
+ // SAFETY: The inner value has been initialized
+ unsafe { self.get_unchecked() }
+ }
+
+ #[inline]
+ fn is_initialized(&self) -> bool {
+ self.is_initialized.load(Ordering::Acquire)
+ }
+
+ #[cold]
+ fn initialize<F>(&self, f: F)
+ where
+ F: FnOnce() -> T,
+ {
+ let slot = self.value.get().cast::<T>();
+ let is_initialized = &self.is_initialized;
+
+ self.once.call_once(|| {
+ let value = f();
+ unsafe {
+ slot.write(value);
+ }
+ is_initialized.store(true, Ordering::Release);
+ });
+ }
+
+ /// # Safety
+ ///
+ /// The value must be initialized
+ unsafe fn get_unchecked(&self) -> &T {
+ debug_assert!(self.is_initialized());
+ &*self.value.get().cast::<T>()
+ }
+}
+
+impl<T> Drop for OnceLock<T> {
+ fn drop(&mut self) {
+ if self.is_initialized() {
+ // SAFETY: The inner value has been initialized
+ unsafe { self.value.get().cast::<T>().drop_in_place() };
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 18:34:25 +0000