Struct tracing::Level

source · [−]

pub struct Level(_);

Expand description

Describes the level of verbosity of a span or event.

Implementations

source

impl Level

source

pub const ERROR: Level = Level(LevelInner::Error)

The “error” level.

Designates very serious errors.

source

pub const WARN: Level = Level(LevelInner::Warn)

The “warn” level.

Designates hazardous situations.

source

pub const INFO: Level = Level(LevelInner::Info)

The “info” level.

Designates useful information.

source

pub const DEBUG: Level = Level(LevelInner::Debug)

The “debug” level.

Designates lower priority information.

source

pub const TRACE: Level = Level(LevelInner::Trace)

The “trace” level.

Designates very low priority, often extremely verbose, information.

Trait Implementations

source

impl Clone for Level

source

fn clone(&self) -> Level

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

source

impl Debug for Level

source

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

Formats the value using the given formatter. Read more

source

impl Display for Level

source

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

Formats the value using the given formatter. Read more

source

impl From<Level> for LevelFilter

source

fn from(level: Level) -> LevelFilter

Converts to this type from the input type.

source

impl FromStr for Level

type Err = ParseLevelError

The associated error which can be returned from parsing.

source

fn from_str(s: &str) -> Result<Level, ParseLevelError>

Parses a string s to return a value of this type. Read more

source

impl Ord for Level

source

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

This method returns an Ordering between self and other. Read more

1.21.0 · source

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

Compares and returns the maximum of two values. Read more

1.21.0 · source

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

Compares and returns the minimum of two values. Read more

1.50.0 · source

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

Restrict a value to a certain interval. Read more

source

impl PartialEq<Level> for Level

source

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

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

source

impl PartialEq<Level> for LevelFilter

source

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

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

source

impl PartialEq<LevelFilter> for Level

source

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

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

source

impl PartialOrd<Level> for Level

source

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

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

source

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

This method tests less than (for self and other) and is used by the < operator. Read more

source

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

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

source

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

This method tests greater than (for self and other) and is used by the > operator. Read more

source

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

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

source

impl PartialOrd<Level> for LevelFilter

source

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

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

source

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

This method tests less than (for self and other) and is used by the < operator. Read more

source

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

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

source

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

This method tests greater than (for self and other) and is used by the > operator. Read more

source

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

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

source

impl PartialOrd<LevelFilter> for Level

source

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

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

source

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

This method tests less than (for self and other) and is used by the < operator. Read more

source

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

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

source

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

This method tests greater than (for self and other) and is used by the > operator. Read more

source

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

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

source

impl StructuralPartialEq for Level

Auto Trait Implementations

impl RefUnwindSafe for Level

impl Send for Level

impl Sync for Level

impl Unpin for Level

impl UnwindSafe for Level

Blanket Implementations

source

impl<T> Any for T where
T: 'static + ?Sized,

source

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

source

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

source

impl<T> Instrument for T

source

fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>`impl<T: Future> Future for Instrumented<T> type Output = T::Output;`

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

source

fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>`impl<T: Future> Future for Instrumented<T> type Output = T::Output;`

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

source

impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

source

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

source

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

source

impl<T> ToString for T where
T: Display + ?Sized,

source

default fn to_string(&self) -> String

Converts the given value to a String. Read more

source

impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

source

impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct tracing::Level

Implementations

impl Level

pub const ERROR: Level = Level(LevelInner::Error)

pub const WARN: Level = Level(LevelInner::Warn)

pub const INFO: Level = Level(LevelInner::Info)

pub const DEBUG: Level = Level(LevelInner::Debug)

pub const TRACE: Level = Level(LevelInner::Trace)

Trait Implementations

impl Clone for Level

fn clone(&self) -> Level

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

impl Debug for Level

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

impl Display for Level

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

impl From<Level> for LevelFilter

fn from(level: Level) -> LevelFilter

impl FromStr for Level

type Err = ParseLevelError

fn from_str(s: &str) -> Result<Level, ParseLevelError>

impl Ord for Level

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

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

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

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

impl PartialEq<Level> for Level

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

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

impl PartialEq<Level> for LevelFilter

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

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

impl PartialEq<LevelFilter> for Level

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

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

impl PartialOrd<Level> for Level

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

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

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

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

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

impl PartialOrd<Level> for LevelFilter

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

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

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

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

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

impl PartialOrd<LevelFilter> for Level

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

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

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

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

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

impl Copy for Level

impl Eq for Level

impl StructuralEq for Level

impl StructuralPartialEq for Level

Auto Trait Implementations

impl RefUnwindSafe for Level

impl Send for Level

impl Sync for Level

impl Unpin for Level

impl UnwindSafe for Level

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T: Future> Future for Instrumented<T> type Output = T::Output;

fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T: Future> Future for Instrumented<T> type Output = T::Output;

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

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

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>`impl<T: Future> Future for Instrumented<T> type Output = T::Output;`

fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>`impl<T: Future> Future for Instrumented<T> type Output = T::Output;`

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T> ToString for T where
T: Display + ?Sized,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,