pub struct PrefixFormat<F> {
inner: F,
prefix: Option<String>,
}
Available on crate feature
tracing_
only.Expand description
A wrapper around a FormatEvent
that adds an optional prefix to each
event.
Fields§
§inner: F
§prefix: Option<String>
Trait Implementations§
Source§impl<F: Debug> Debug for PrefixFormat<F>
impl<F: Debug> Debug for PrefixFormat<F>
Source§impl<F, C, N> FormatEvent<C, N> for PrefixFormat<F>where
C: Subscriber + for<'a> LookupSpan<'a>,
N: for<'a> FormatFields<'a> + 'static,
F: FormatEvent<C, N>,
impl<F, C, N> FormatEvent<C, N> for PrefixFormat<F>where
C: Subscriber + for<'a> LookupSpan<'a>,
N: for<'a> FormatFields<'a> + 'static,
F: FormatEvent<C, N>,
Source§fn format_event(
&self,
ctx: &FmtContext<'_, C, N>,
writer: Writer<'_>,
event: &Event<'_>,
) -> Result
fn format_event( &self, ctx: &FmtContext<'_, C, N>, writer: Writer<'_>, event: &Event<'_>, ) -> Result
Auto Trait Implementations§
impl<F> Freeze for PrefixFormat<F>where
F: Freeze,
impl<F> RefUnwindSafe for PrefixFormat<F>where
F: RefUnwindSafe,
impl<F> Send for PrefixFormat<F>where
F: Send,
impl<F> Sync for PrefixFormat<F>where
F: Sync,
impl<F> Unpin for PrefixFormat<F>where
F: Unpin,
impl<F> UnwindSafe for PrefixFormat<F>where
F: UnwindSafe,
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> FutureExt for T
impl<T> FutureExt for T
Source§fn with_context(self, otel_cx: Context) -> WithContext<Self>
fn with_context(self, otel_cx: Context) -> WithContext<Self>
Source§fn with_current_context(self) -> WithContext<Self>
fn with_current_context(self) -> WithContext<Self>
Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoRequest<T> for T
impl<T> IntoRequest<T> for T
Source§fn into_request(self) -> Request<T>
fn into_request(self) -> Request<T>
Wrap the input message
T
in a tonic::Request