Enum ScalingError 

pub enum ScalingError {
    InvalidPolicy(String),
    AtMaxShards,
    AtMinShards,
    InCooldown,
    ShardCreationFailed(String),
}

Errors that can occur during scaling operations.

Variants

InvalidPolicy(String)

Invalid scaling policy.

AtMaxShards

Already at maximum shards.

AtMinShards

Already at minimum shards.

InCooldown

Scaling operation in cooldown.

ShardCreationFailed(String)

Shard creation failed.

Trait Implementations

impl Clone for ScalingError

fn clone(&self) -> ScalingError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ScalingError

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

Formats the value using the given formatter.

impl Display for ScalingError

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

Formats the value using the given formatter.

impl Error for ScalingError

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.