Enum parking_lot::OnceState

[−] Show declaration

pub enum OnceState {
    New,
    Poisoned,
    InProgress,
    Done,
}

[−] Expand description

Current state of a Once.

Variants

New

[−] Expand description

A closure has not been executed yet

Poisoned

[−] Expand description

A closure was executed but panicked.

InProgress

[−] Expand description

A thread is currently executing a closure.

Done

[−] Expand description

A closure has completed successfully.

Implementations

impl OnceState[−]

pub fn poisoned(self) -> bool[−]

Returns whether the associated Once has been poisoned.

Once an initialization routine for a Once has panicked it will forever indicate to future forced initialization routines that it is poisoned.

pub fn done(self) -> bool[−]

Returns whether the associated Once has successfully executed a closure.

Trait Implementations

impl Clone for OnceState[+]

[+] Show hidden undocumented items

fn clone(&self) -> OnceState[−]

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)[−]

Performs copy-assignment from source.

impl Copy for OnceState

impl Debug for OnceState[+]

[+] Show hidden undocumented items

fn fmt(&self, f: &mut Formatter<'_>) -> Result[−]

Formats the value using the given formatter.

impl Eq for OnceState

impl PartialEq<OnceState> for OnceState[+]

[+] Show hidden undocumented items

fn eq(&self, other: &OnceState) -> bool[−]

This method tests for self and other values to be equal, and is used by ==.

[+] Expand attributes

#[must_use]fn ne(&self, other: &Rhs) -> bool[−]

This method tests for !=.

impl StructuralEq for OnceState

impl StructuralPartialEq for OnceState