Id in tracing_core::span - Rust (original) (raw)

pub struct Id(/* private fields */);

Expand description

Identifies a span within the context of a subscriber.

They are generated by Subscribers for each span as it is created, by the new_span trait method. See the documentation for that method for more information on span ID generation.

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Constructs a new span ID from the given u64.

**Note**: Span IDs must be greater than zero.

§Panics

• If the provided u64 is 0.

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Constructs a new span ID from the given NonZeroU64.

Unlike Id::from_u64, this will never panic.

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Returns the span’s ID as a u64.

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Returns the span’s ID as a NonZeroU64.

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