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Add a #[must_use] annotation to Span #3234

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Add a #[must_use] annotation to Span #3234

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bddc08f
Add a #[must_use] annotation to Span
radix Mar 13, 2025
f76bb6c
Merge branch 'main' into must-use-span
hds Nov 23, 2025
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Add a #[must_use] annotation to Span
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@radix
radix committed Mar 18, 2025
commit bddc08f7ffb7af12b03077070ad394c2583912fe
1 change: 1 addition & 0 deletions tracing/src/span.rs
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Expand Up @@ -345,6 +345,7 @@ pub trait AsId: crate::sealed::Sealed {
/// span will silently do nothing. Thus, the handle can be used in the same
/// manner regardless of whether or not the trace is currently being collected.
#[derive(Clone)]
#[must_use = "once a span has been created, it should be entered"]
pub struct Span {
/// A handle used to enter the span when it is not executing.
///
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