Enum prometheus::Error

[−] Show declaration

pub enum Error {
    AlreadyReg,
    InconsistentCardinality {
        expect: usize,
        got: usize,
    },
    Msg(String),
    Io(Error),
    Protobuf(ProtobufError),
}

[−] Expand description

The error types for prometheus.

Variants

AlreadyReg

[−] Expand description

A duplicate metric collector has already been registered.

InconsistentCardinality

[−] Expand description

The label cardinality was inconsistent.

[−] Show fields

Fields of InconsistentCardinality

expect: usize

The expected number of labels.

got: usize

The actual number of labels.

Msg(String)

[−] Expand description

An error message which is only a string.

Io(Error)

[−] Expand description

An error containing a std::io::Error.

Protobuf(ProtobufError)

[−] Expand description

An error containing a protobuf::error::ProtobufError.

Trait Implementations

impl Debug for Error[+]

[+] Show hidden undocumented items

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

Formats the value using the given formatter.

impl Display for Error[+]

[+] Show hidden undocumented items

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

Formats the value using the given formatter.

impl Error for Error[+]

[+] Show hidden undocumented items

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

The lower-level source of this error, if any.

pub fn backtrace(&self) -> Option<&Backtrace>[−]

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

Returns a stack backtrace, if available, of where this error occurred.

pub fn description(&self) -> &str[−]

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<Error> for Error[+]

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fn from(source: Error) -> Self[−]

Performs the conversion.

impl From<ProtobufError> for Error[+]

[+] Show hidden undocumented items

fn from(source: ProtobufError) -> Self[−]

Performs the conversion.