Struct slog::MapError [−][src]
pub struct MapError<D: Drain, E> { /* fields omitted */ }
Drain
mapping error returned by another Drain
See Drain::map_err
for convenience function.
Methods
impl<D: Drain, E> MapError<D, E>
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impl<D: Drain, E> MapError<D, E>
pub fn new<F>(drain: D, map_fn: F) -> Self where
F: MapErrFn<<D as Drain>::Err, E>,
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pub fn new<F>(drain: D, map_fn: F) -> Self where
F: MapErrFn<<D as Drain>::Err, E>,
Create Filter
wrapping given drain
Trait Implementations
impl<D: Drain, E> Drain for MapError<D, E>
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impl<D: Drain, E> Drain for MapError<D, E>
type Ok = D::Ok
Type returned by this drain Read more
type Err = E
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