pub struct OneTime<T> { /* private fields */ }
Expand description
Encapsulation of a RwLock<Option
Implementations
sourceimpl<T> OneTime<T> where
T: Clone,
impl<T> OneTime<T> where
T: Clone,
sourcepub fn init(&self, value: T)
pub fn init(&self, value: T)
Initializes the OneTime, should only be called once after construction. Will panic (via assert) if called more than once.
Trait Implementations
Auto Trait Implementations
impl<T> !RefUnwindSafe for OneTime<T>
impl<T> Send for OneTime<T> where
T: Send + Sync,
impl<T> Sync for OneTime<T> where
T: Send + Sync,
impl<T> Unpin for OneTime<T>
impl<T> !UnwindSafe for OneTime<T>
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
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
impl<T> CloneAny for T where
T: Any + Clone,
impl<T> CloneAny for T where
T: Any + Clone,
fn clone_any(&self) -> Box<dyn CloneAny + 'static, Global>
fn clone_any_send(&self) -> Box<dyn CloneAny + Send + 'static, Global> where
T: Send,
fn clone_any_sync(&self) -> Box<dyn CloneAny + Sync + 'static, Global> where
T: Sync,
fn clone_any_send_sync(
&self
) -> Box<dyn CloneAny + Send + Sync + 'static, Global> where
T: Send + Sync,
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more