Struct StartSpanOptions 

pub struct StartSpanOptions<'a, S: 'a, T: 'a> { /* private fields */ }

Options for starting a span.

Implementations

impl<'a, S, T: 'a> StartSpanOptions<'a, S, T>

where S: Sampler<T> + 'a,

pub fn start_time(self, time: SystemTime) -> Self

Sets the start time of this span.

pub fn tag(self, tag: Tag) -> Self

Sets the tag to this span.

pub fn child_of<C>(self, context: &C) -> Self

where C: MaybeAsRef<SpanContext<T>>, T: Clone,

Adds the ChildOf reference to this span.

pub fn follows_from<C>(self, context: &C) -> Self

where C: MaybeAsRef<SpanContext<T>>, T: Clone,

Adds the FollowsFrom reference to this span.

pub fn start(self) -> Span<T>

where T: for<'b> From<CandidateSpan<'b, T>>,

Starts a new span.

pub fn start_with_state(self, state: T) -> Span<T>

Starts a new span with the explicit state.

Trait Implementations

impl<'a, S: Debug + 'a, T: Debug + 'a> Debug for StartSpanOptions<'a, S, T>

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

Formats the value using the given formatter.