Struct parking_lot::OnceState

pub struct OnceState(_);

State yielded to the call_once_force method which can be used to query whether the Once was previously poisoned or not.

Implementations

impl OnceState

pub 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.