Struct slog::LevelFilter [−][src]
Drain
filtering records by Record
logging level
Wraps a drain and passes records to it, only if their level is at least given level.
TODO: Remove this type. This drain is a special case of Filter
, but
because Filter
can not use static dispatch ATM due to Rust limitations
that will be lifted in the future, it is a standalone type.
Reference: https://github.com/rust-lang/rust/issues/34511
Methods
impl<D: Drain> LevelFilter<D>
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impl<D: Drain> LevelFilter<D>
Trait Implementations
impl<D: Debug + Drain> Debug for LevelFilter<D>
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impl<D: Debug + Drain> Debug for LevelFilter<D>
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl<D: Clone + Drain> Clone for LevelFilter<D>
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impl<D: Clone + Drain> Clone for LevelFilter<D>
fn clone(&self) -> LevelFilter<D>
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fn clone(&self) -> LevelFilter<D>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl<D: Drain> Drain for LevelFilter<D>
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impl<D: Drain> Drain for LevelFilter<D>
type Ok = Option<D::Ok>
Type returned by this drain Read more
type Err = D::Err
Type of potential errors that can be returned by this Drain
fn log(
&self,
record: &Record,
logger_values: &OwnedKVList
) -> Result<Self::Ok, Self::Err>
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fn log(
&self,
record: &Record,
logger_values: &OwnedKVList
) -> Result<Self::Ok, Self::Err>
Handle one logging statement (Record
) Read more
fn is_enabled(&self, level: Level) -> bool
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fn is_enabled(&self, level: Level) -> bool
Avoid: Check if messages at the specified log level are maybe enabled for this logger. Read more
fn is_critical_enabled(&self) -> bool
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fn is_critical_enabled(&self) -> bool
Avoid: See is_enabled
fn is_error_enabled(&self) -> bool
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fn is_error_enabled(&self) -> bool
Avoid: See is_enabled
fn is_warning_enabled(&self) -> bool
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fn is_warning_enabled(&self) -> bool
Avoid: See is_enabled
fn is_info_enabled(&self) -> bool
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fn is_info_enabled(&self) -> bool
Avoid: See is_enabled
fn is_debug_enabled(&self) -> bool
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fn is_debug_enabled(&self) -> bool
Avoid: See is_enabled
fn is_trace_enabled(&self) -> bool
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fn is_trace_enabled(&self) -> bool
Avoid: See is_enabled
fn map<F, R>(self, f: F) -> R where
Self: Sized,
F: FnOnce(Self) -> R,
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fn map<F, R>(self, f: F) -> R where
Self: Sized,
F: FnOnce(Self) -> R,
Pass Drain
through a closure, eg. to wrap into another Drain
. Read more
fn filter<F>(self, f: F) -> Filter<Self, F> where
Self: Sized,
F: FilterFn,
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fn filter<F>(self, f: F) -> Filter<Self, F> where
Self: Sized,
F: FilterFn,
Filter logging records passed to Drain
Read more
fn filter_level(self, level: Level) -> LevelFilter<Self> where
Self: Sized,
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fn filter_level(self, level: Level) -> LevelFilter<Self> where
Self: Sized,
Filter logging records passed to Drain
(by level) Read more
fn map_err<F, E>(self, f: F) -> MapError<Self, E> where
Self: Sized,
F: MapErrFn<Self::Err, E>,
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fn map_err<F, E>(self, f: F) -> MapError<Self, E> where
Self: Sized,
F: MapErrFn<Self::Err, E>,
Map logging errors returned by this drain Read more
fn ignore_res(self) -> IgnoreResult<Self> where
Self: Sized,
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fn ignore_res(self) -> IgnoreResult<Self> where
Self: Sized,
Ignore results returned by this drain Read more
fn fuse(self) -> Fuse<Self> where
Self::Err: Debug,
Self: Sized,
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fn fuse(self) -> Fuse<Self> where
Self::Err: Debug,
Self: Sized,
Make Self
panic when returning any errors Read more
Auto Trait Implementations
impl<D> Send for LevelFilter<D> where
D: Send,
impl<D> Send for LevelFilter<D> where
D: Send,
impl<D> Sync for LevelFilter<D> where
D: Sync,
impl<D> Sync for LevelFilter<D> where
D: Sync,