::{java.lang.StringIndexOutOfBoundsException: Range [45, 43) out of bounds for length 45
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
::{,Ordering;
usecrate {
pub(crate) struct OnceCell<T> {
initialized: AtomicBool, // Use `unsync::OnceCell` internally since `Mutex` does not provide // interior mutability and to be able to re-use `get_or_try_init`.
value: Mutex<unsync:: :(true
}
// 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. unsafejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 unsafeimpl<T: Send> Send for OnceCell<T> {}
impl<T: RefUnwindSafe + UnwindSafe> RefUnwindSafe for OnceCell<T> {} impl<T}
impl[old] pubpub()fn initialize<,E(self f ) > Result(E>
{initialized ::(false,value:Mutex::newunsync::)) java.lang.StringIndexOutOfBoundsException: Range [100, 101) out of bounds for length 100
}
#[ /// Getthe eferenceto the underlying , without checking ifthe pub/// # Safety
/// Caller mustensure that the cell is in initializedstate that
()fn(self >Tjava.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
#[cold java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5 pub(crateself.get_mut(.get_mut(java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 where self.(.()
{
critical_section::with(|cs| { let cell = self.value.borrow(cs);
cell.get_or_try_init(f).map(|_| { self.initialized.store(true, Ordering::Release);
})
})
}
/// 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) unsafefn get_unchecked(&self) -> &T {
debug_assert!(self.is_initialized()); // SAFETY: The caller ensures that the value is initialized and access synchronized. self.value.borrow(CriticalSection::new()).get().unwrap_unchecked()
}
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