Struct tracing_subscriber::fmt::writer::WithMaxLevel[−][src]

pub struct WithMaxLevel<M> { /* fields omitted */ }

This is supported on crate feature fmt only.

Expand description

A MakeWriter combinator that only returns an enabled writer for spans and events with metadata at or below a specified verbosity Level.

This is returned by the MakeWriterExt::with_max_level method. See the method documentation for details.

Implementations

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impl<M> WithMaxLevel<M>

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pub fn new(make: M, level: Level) -> Self

Wraps the provided MakeWriter with a maximum Level, so that it returns OptionalWriter::none for spans and events whose level is more verbose than the maximum level.

See MakeWriterExt::with_max_level for details.

Trait Implementations

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impl<M: Clone> Clone for WithMaxLevel<M>

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fn clone(&self) -> WithMaxLevel<M>

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl<M: Debug> Debug for WithMaxLevel<M>

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

Formats the value using the given formatter. Read more

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impl<M: MakeWriter> MakeWriter for WithMaxLevel<M>

type Writer = OptionalWriter<M::Writer>

The concrete io::Write implementation returned by make_writer. Read more

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fn make_writer(&self) -> Self::Writer

Returns an instance of Writer. Read more

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fn make_writer_for(&self, meta: &Metadata<'_>) -> Self::Writer

Returns a Writer for writing data from the span or event described by the provided Metadata. Read more

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impl<M: PartialEq> PartialEq<WithMaxLevel<M>> for WithMaxLevel<M>

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fn eq(&self, other: &WithMaxLevel<M>) -> bool

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

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fn ne(&self, other: &WithMaxLevel<M>) -> bool

This method tests for !=.

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impl<M> StructuralPartialEq for WithMaxLevel<M>

Auto Trait Implementations

impl<M> RefUnwindSafe for WithMaxLevel<M> where
M: RefUnwindSafe,

impl<M> Send for WithMaxLevel<M> where
M: Send,

impl<M> Sync for WithMaxLevel<M> where
M: Sync,

impl<M> Unpin for WithMaxLevel<M> where
M: Unpin,

impl<M> UnwindSafe for WithMaxLevel<M> where
M: UnwindSafe,

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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pub fn from(t: T) -> T

Performs the conversion.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

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

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fn in_current_span(self) -> Instrumented<Self>

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

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

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pub fn into(self) -> U

Performs the conversion.

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impl<M> MakeWriterExt for M where
M: MakeWriter,

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fn with_max_level(self, level: Level) -> WithMaxLevel<Self> where
Self: Sized,

This is supported on crate feature fmt only.

Wraps self and returns a MakeWriter that will only write output for events at or below the provided verbosity Level. For instance, Level::TRACE is considered to be _more verbosethanLevel::INFO`. Read more

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fn with_min_level(self, level: Level) -> WithMinLevel<Self> where
Self: Sized,

This is supported on crate feature fmt only.

Wraps self and returns a MakeWriter that will only write output for events at or above the provided verbosity Level. Read more

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fn with_filter<F>(self, filter: F) -> WithFilter<Self, F> where
Self: Sized,
F: Fn(&Metadata<'_>) -> bool,

This is supported on crate feature fmt only.

Wraps self with a predicate that takes a span or event’s Metadata and returns a bool. The returned MakeWriter’s MakeWriter::make_writer_for method will check the predicate to determine if a writer should be produced for a given span or event. Read more

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fn and(self, other: B) -> Tee<Self, B>ⓘ
Notable traits for Tee<A, B>
`impl<A, B> Write for Tee<A, B> where A: Write, B: Write,`
where
 Self: Sized,
 B: MakeWriter + Sized,

This is supported on crate feature fmt only.

Combines self with another type implementing MakeWriter, returning a new MakeWriter that produces writers that write to both outputs. Read more

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fn or_else<W, B>(self, other: B) -> OrElse<Self, B> where
 Self: MakeWriter<Writer = OptionalWriter<W>> + Sized,
 B: MakeWriter + Sized,
 W: Write,

This is supported on crate feature fmt only.

Combines self with another type implementing MakeWriter, returning a new MakeWriter that calls other’s make_writer if self’s make_writer returns OptionalWriter::none. Read more

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

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

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

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

🔬 This is a nightly-only experimental API. (toowned_clone_into #41263)

recently added

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

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

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

Performs the conversion.

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct tracing_subscriber::fmt::writer::WithMaxLevel[−][src]

Implementations

impl<M> WithMaxLevel<M>

pub fn new(make: M, level: Level) -> Self

Trait Implementations

impl<M: Clone> Clone for WithMaxLevel<M>

fn clone(&self) -> WithMaxLevel<M>

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

impl<M: Debug> Debug for WithMaxLevel<M>

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

impl<M: MakeWriter> MakeWriter for WithMaxLevel<M>

type Writer = OptionalWriter<M::Writer>

fn make_writer(&self) -> Self::Writer

fn make_writer_for(&self, meta: &Metadata<'_>) -> Self::Writer

impl<M: PartialEq> PartialEq<WithMaxLevel<M>> for WithMaxLevel<M>

fn eq(&self, other: &WithMaxLevel<M>) -> bool

fn ne(&self, other: &WithMaxLevel<M>) -> bool

impl<M: Copy> Copy for WithMaxLevel<M>

impl<M: Eq> Eq for WithMaxLevel<M>

impl<M> StructuralEq for WithMaxLevel<M>

impl<M> StructuralPartialEq for WithMaxLevel<M>

Auto Trait Implementations

impl<M> RefUnwindSafe for WithMaxLevel<M> where M: RefUnwindSafe,

impl<M> Send for WithMaxLevel<M> where M: Send,

impl<M> Sync for WithMaxLevel<M> where M: Sync,

impl<M> Unpin for WithMaxLevel<M> where M: Unpin,

impl<M> UnwindSafe for WithMaxLevel<M> where M: UnwindSafe,

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

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

pub fn into(self) -> U

impl<M> MakeWriterExt for M where M: MakeWriter,

fn with_max_level(self, level: Level) -> WithMaxLevel<Self> where Self: Sized,

fn with_min_level(self, level: Level) -> WithMinLevel<Self> where Self: Sized,

fn with_filter<F>(self, filter: F) -> WithFilter<Self, F> where Self: Sized, F: Fn(&Metadata<'_>) -> bool,

fn and<B>(self, other: B) -> Tee<Self, B>ⓘNotable traits for Tee<A, B>impl<A, B> Write for Tee<A, B> where A: Write, B: Write, where Self: Sized, B: MakeWriter + Sized,

fn or_else<W, B>(self, other: B) -> OrElse<Self, B> where Self: MakeWriter<Writer = OptionalWriter<W>> + Sized, B: MakeWriter + Sized, W: Write,

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

type Owned = T

pub fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

impl<M> RefUnwindSafe for WithMaxLevel<M> where
M: RefUnwindSafe,

impl<M> Send for WithMaxLevel<M> where
M: Send,

impl<M> Sync for WithMaxLevel<M> where
M: Sync,

impl<M> Unpin for WithMaxLevel<M> where
M: Unpin,

impl<M> UnwindSafe for WithMaxLevel<M> where
M: UnwindSafe,

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,

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

impl<M> MakeWriterExt for M where
M: MakeWriter,

fn with_max_level(self, level: Level) -> WithMaxLevel<Self> where
Self: Sized,

fn with_min_level(self, level: Level) -> WithMinLevel<Self> where
Self: Sized,

fn with_filter<F>(self, filter: F) -> WithFilter<Self, F> where
Self: Sized,
F: Fn(&Metadata<'_>) -> bool,

fn and<B>(self, other: B) -> Tee<Self, B>ⓘ
Notable traits for Tee<A, B>
`impl<A, B> Write for Tee<A, B> where A: Write, B: Write,`
where
Self: Sized,
B: MakeWriter + Sized,

fn or_else<W, B>(self, other: B) -> OrElse<Self, B> where
Self: MakeWriter<Writer = OptionalWriter<W>> + Sized,
B: MakeWriter + Sized,
W: Write,

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

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

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

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,