pub struct LazyLock<T, F = fn() -> T> { /* private fields */ }
Expand description
A value which is initialized on the first access.
This type is a thread-safe Lazy
, and can be used in statics.
Implementations
Trait Implementations
impl<T, F: UnwindSafe> RefUnwindSafe for LazyLock<T, F>where
OnceLock<T>: RefUnwindSafe,
impl<T, F: Send> Sync for LazyLock<T, F>where
OnceLock<T>: Sync,
impl<T, F: UnwindSafe> UnwindSafe for LazyLock<T, F>where
OnceLock<T>: UnwindSafe,
Auto Trait Implementations
impl<T, F> Send for LazyLock<T, F>where
F: Send,
T: Send,
impl<T, F> Unpin for LazyLock<T, F>where
F: Unpin,
T: Unpin,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more