Struct std::sync::OnceState [] [src]

pub struct OnceState { /* fields omitted */ }
Unstable (once_poison #33577)

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


impl OnceState

Unstable (once_poison #33577)

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.