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.