Enum AcquireError 

pub enum AcquireError {
    Closed,
    Cancelled,
    PolledAfterCompletion,
}

Error returned when semaphore acquisition fails.

Variants

Closed

The semaphore was closed.

Cancelled

Cancelled while waiting.

PolledAfterCompletion

The acquire future was polled after it had already completed.

Trait Implementations

impl Clone for AcquireError

fn clone(&self) -> AcquireError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AcquireError

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

Formats the value using the given formatter.

impl Display for AcquireError

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

Formats the value using the given formatter.

impl Error for AcquireError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl PartialEq for AcquireError

fn eq(&self, other: &AcquireError) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for AcquireError

impl Eq for AcquireError

impl StructuralPartialEq for AcquireError