Deleted vendor folder

1 files changed, 0 insertions, 174 deletions

diff --git a/vendor/once_cell/src/imp_pl.rs b/vendor/once_cell/src/imp_pl.rs
deleted file mode 100644
index 37a8554..0000000
--- a/vendor/once_cell/src/imp_pl.rs
+++ /dev/null
@@ -1,174 +0,0 @@
-use std::{
-    cell::UnsafeCell,
-    panic::{RefUnwindSafe, UnwindSafe},
-    sync::atomic::{AtomicU8, Ordering},
-};
-
-pub(crate) struct OnceCell<T> {
-    state: AtomicU8,
-    value: UnsafeCell<Option<T>>,
-}
-
-const INCOMPLETE: u8 = 0x0;
-const RUNNING: u8 = 0x1;
-const COMPLETE: u8 = 0x2;
-
-// Why do we need `T: Send`?
-// Thread A creates a `OnceCell` and shares it with
-// scoped thread B, which fills the cell, which is
-// then destroyed by A. That is, destructor observes
-// a sent value.
-unsafe impl<T: Sync + Send> Sync for OnceCell<T> {}
-unsafe impl<T: Send> Send for OnceCell<T> {}
-
-impl<T: RefUnwindSafe + UnwindSafe> RefUnwindSafe for OnceCell<T> {}
-impl<T: UnwindSafe> UnwindSafe for OnceCell<T> {}
-
-impl<T> OnceCell<T> {
-    pub(crate) const fn new() -> OnceCell<T> {
-        OnceCell { state: AtomicU8::new(INCOMPLETE), value: UnsafeCell::new(None) }
-    }
-
-    pub(crate) const fn with_value(value: T) -> OnceCell<T> {
-        OnceCell { state: AtomicU8::new(COMPLETE), value: UnsafeCell::new(Some(value)) }
-    }
-
-    /// Safety: synchronizes with store to value via Release/Acquire.
-    #[inline]
-    pub(crate) fn is_initialized(&self) -> bool {
-        self.state.load(Ordering::Acquire) == COMPLETE
-    }
-
-    /// Safety: synchronizes with store to value via `is_initialized` or mutex
-    /// lock/unlock, writes value only once because of the mutex.
-    #[cold]
-    pub(crate) fn initialize<F, E>(&self, f: F) -> Result<(), E>
-    where
-        F: FnOnce() -> Result<T, E>,
-    {
-        let mut f = Some(f);
-        let mut res: Result<(), E> = Ok(());
-        let slot: *mut Option<T> = self.value.get();
-        initialize_inner(&self.state, &mut || {
-            // We are calling user-supplied function and need to be careful.
-            // - if it returns Err, we unlock mutex and return without touching anything
-            // - if it panics, we unlock mutex and propagate panic without touching anything
-            // - if it calls `set` or `get_or_try_init` re-entrantly, we get a deadlock on
-            //   mutex, which is important for safety. We *could* detect this and panic,
-            //   but that is more complicated
-            // - finally, if it returns Ok, we store the value and store the flag with
-            //   `Release`, which synchronizes with `Acquire`s.
-            let f = unsafe { f.take().unwrap_unchecked() };
-            match f() {
-                Ok(value) => unsafe {
-                    // Safe b/c we have a unique access and no panic may happen
-                    // until the cell is marked as initialized.
-                    debug_assert!((*slot).is_none());
-                    *slot = Some(value);
-                    true
-                },
-                Err(err) => {
-                    res = Err(err);
-                    false
-                }
-            }
-        });
-        res
-    }
-
-    #[cold]
-    pub(crate) fn wait(&self) {
-        let key = &self.state as *const _ as usize;
-        unsafe {
-            parking_lot_core::park(
-                key,
-                || self.state.load(Ordering::Acquire) != COMPLETE,
-                || (),
-                |_, _| (),
-                parking_lot_core::DEFAULT_PARK_TOKEN,
-                None,
-            );
-        }
-    }
-
-    /// Get the reference to the underlying value, without checking if the cell
-    /// is initialized.
-    ///
-    /// # Safety
-    ///
-    /// Caller must ensure that the cell is in initialized state, and that
-    /// the contents are acquired by (synchronized to) this thread.
-    pub(crate) unsafe fn get_unchecked(&self) -> &T {
-        debug_assert!(self.is_initialized());
-        let slot = &*self.value.get();
-        slot.as_ref().unwrap_unchecked()
-    }
-
-    /// Gets the mutable reference to the underlying value.
-    /// Returns `None` if the cell is empty.
-    pub(crate) fn get_mut(&mut self) -> Option<&mut T> {
-        // Safe b/c we have an exclusive access
-        let slot: &mut Option<T> = unsafe { &mut *self.value.get() };
-        slot.as_mut()
-    }
-
-    /// Consumes this `OnceCell`, returning the wrapped value.
-    /// Returns `None` if the cell was empty.
-    pub(crate) fn into_inner(self) -> Option<T> {
-        self.value.into_inner()
-    }
-}
-
-struct Guard<'a> {
-    state: &'a AtomicU8,
-    new_state: u8,
-}
-
-impl<'a> Drop for Guard<'a> {
-    fn drop(&mut self) {
-        self.state.store(self.new_state, Ordering::Release);
-        unsafe {
-            let key = self.state as *const AtomicU8 as usize;
-            parking_lot_core::unpark_all(key, parking_lot_core::DEFAULT_UNPARK_TOKEN);
-        }
-    }
-}
-
-// Note: this is intentionally monomorphic
-#[inline(never)]
-fn initialize_inner(state: &AtomicU8, init: &mut dyn FnMut() -> bool) {
-    loop {
-        let exchange =
-            state.compare_exchange_weak(INCOMPLETE, RUNNING, Ordering::Acquire, Ordering::Acquire);
-        match exchange {
-            Ok(_) => {
-                let mut guard = Guard { state, new_state: INCOMPLETE };
-                if init() {
-                    guard.new_state = COMPLETE;
-                }
-                return;
-            }
-            Err(COMPLETE) => return,
-            Err(RUNNING) => unsafe {
-                let key = state as *const AtomicU8 as usize;
-                parking_lot_core::park(
-                    key,
-                    || state.load(Ordering::Relaxed) == RUNNING,
-                    || (),
-                    |_, _| (),
-                    parking_lot_core::DEFAULT_PARK_TOKEN,
-                    None,
-                );
-            },
-            Err(INCOMPLETE) => (),
-            Err(_) => debug_assert!(false),
-        }
-    }
-}
-
-#[test]
-fn test_size() {
-    use std::mem::size_of;
-
-    assert_eq!(size_of::<OnceCell<bool>>(), 1 * size_of::<bool>() + size_of::<u8>());
-}