Enum MetricsError 

pub enum MetricsError {
    Register(Error),
    Encode(String),
}

Prometheus registry construction or exposition error.

Variants

Register(Error)

A metric failed to register in the prometheus registry.

Encode(String)

The prometheus text encoder failed to encode gathered metric families.

Trait Implementations

impl Debug for MetricsError

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

Formats the value using the given formatter.

impl Display for MetricsError

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

Formats the value using the given formatter.

impl Error for MetricsError

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 From<Error> for MetricsError

fn from(source: Error) -> Self

Converts to this type from the input type.