Struct std::sync::OnceState
[−]
[src]
pub struct OnceState { /* fields omitted */ }
State yielded to the call_once_force
method which can be used to query
whether the Once
was previously poisoned or not.
Methods
impl OnceState
[src]
fn poisoned(&self) -> bool
Returns whether the associated Once
has been poisoned.
Once an initalization routine for a Once
has panicked it will forever
indicate to future forced initialization routines that it is poisoned.