🛈 Note: This is pre-release documentation for the upcoming tracing 0.2.0 ecosystem.

For the release documentation, please see docs.rs, instead.

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pub fn set_default<C>(collector: C) -> DefaultGuard where
    C: Collect + Send + Sync + 'static, 
Available on crate feature std only.
Expand description

Sets the collector as the default for the duration of the lifetime of the returned DefaultGuard

The default collector is used when creating a new Span or Event, if no span is currently executing. If a span is currently executing, new spans or events are dispatched to the collector that tagged that span, instead.