Enum LogLevel

#[non_exhaustive]
#[repr(u32)]
pub enum LogLevel {
    Trace = 0,
    Debug = 1,
    Info = 2,
    Warn = 3,
    Error = 4,
    Off = 8,
    Audit = 5,
    Open = 6,
    Close = 7,
}

Levels for logging

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Trace = 0

Tracing (very low priority or verbose logging)

Debug = 1

Debugging (low priority logging)

Info = 2

Informational logging

Warn = 3

Warnings

Error = 4

Errors

Off = 8

Logging level used to disable logging of severity-based logging levels. Anything logged at this level will be ignored.

Audit = 5

Audit-level log-records are sets of key-value pairs that are intended for machine processing. The formatted log-message should be a simple record tag, with all the variable data in key-value pairs. This corresponds to trace events in OpenTelemetry, or what are called ‘metrics’ in some other systems.

Open = 6

Span open. For an actor, this means actor startup. The formatted text contains the name of the object, e.g. the actor name. If the parent logging-ID is known, it is passed as a parent key-value pair.

Close = 7

Span close. For an actor, this means actor termination. The formatted text may give a description of why the span closed if there was a problem. In case of actor failure, one of these presence key-values will be added: failed, dropped or killed.

Implementations

impl LogLevel

pub fn name(self) -> &'static str

Return the name of the LogLevel as a static string.

pub fn all_levels() -> &'static [LogLevel]

Return a slice containing all defined logging levels

Trait Implementations

impl Clone for LogLevel

fn clone(&self) -> LogLevel

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for LogLevel

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

Formats the value using the given formatter.

impl Display for LogLevel

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

Formats the value using the given formatter.

impl From<LogLevel> for LogFilter

fn from(level: LogLevel) -> Self

Convert a LogLevel into a LogFilter. Where a severity level (LogLevel::Trace to LogLevel::Error) is passed, all higher severity levels are also enabled. Where LogLevel::Open or LogLevel::Close is passed, the other is also enabled. LogLevel::Audit only enables itself. LogLevel::Off gives no levels enabled.

impl FromStr for LogLevel

fn from_str(s: &str) -> Result<LogLevel, LogLevelError>

This does a case-insensitive match to the level names as returned by LogLevel::name

type Err = LogLevelError

The associated error which can be returned from parsing.

impl Hash for LogLevel

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for LogLevel

fn cmp(&self, other: &LogLevel) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for LogLevel

fn eq(&self, other: &LogLevel) -> 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 PartialOrd for LogLevel

fn partial_cmp(&self, other: &LogLevel) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl TryFrom<u8> for LogLevel

fn try_from(value: u8) -> Result<Self, LogLevelError>

Convert back from u8 to a LogLevel, if value is valid

type Error = LogLevelError

The type returned in the event of a conversion error.

impl Copy for LogLevel

impl Eq for LogLevel

impl StructuralPartialEq for LogLevel