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CustomEventsContext

dial9_core::custom_events

Struct CustomEventsContext 

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pub struct CustomEventsContext<'a> { /* private fields */ }
Expand description

Context passed to a custom event callback.

Use record_event to emit user-defined Encodable events into the trace.

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impl CustomEventsContext<'_>

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pub fn timestamp_ns(&self) -> u64

Monotonic timestamp captured for this callback invocation.

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pub fn record_event(&mut self, event: impl Encodable)

Record a user-defined event into the trace.

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impl Debug for CustomEventsContext<'_>

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

Formats the value using the given formatter. Read more

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const SHAPE: FieldShape<'static>

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The shape of values produced by this formatter. Read more
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fn format_value(writer: impl ValueWriter, value: &&V)

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const SHAPE: FieldShape<'static>

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fn format_value(writer: impl ValueWriter, value: &Box<V>)

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const SHAPE: FieldShape<'static>

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The shape of values produced by this formatter. Read more
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fn format_value(writer: impl ValueWriter, value: &Cow<'_, V>)

Write value to writer
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impl<V, F> ValueFormatter<Option<V>> for F
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const SHAPE: FieldShape<'static>

Available on non-metrique_require_explicit_impls only.
The shape of values produced by this formatter. Read more
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fn format_value(writer: impl ValueWriter, value: &Option<V>)

Write value to writer
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