pub struct OnceState { /* private fields */ }
Expand description
State yielded to Once::call_once_force()
’s closure parameter. The state
can be used to query the poison status of the Once
.
Implementations
Trait Implementations
Auto Trait Implementations
impl !RefUnwindSafe for OnceState
impl Send for OnceState
impl !Sync for OnceState
impl Unpin for OnceState
impl UnwindSafe for OnceState
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