Enum SamplingDecision 

pub enum SamplingDecision {
    RecordAndSample,
    NotRecord,
}

采样决策

Variants

RecordAndSample

采样：该 trace 会被记录与上报

NotRecord

不采样：该 trace 不会被记录

Implementations

impl SamplingDecision

pub fn is_sampled(&self) -> bool

是否采样

pub fn as_trace_flags(&self) -> &'static str

转为 W3C traceparent 中的 trace_flags（01 表示采样，00 表示不采样）

Trait Implementations

impl Clone for SamplingDecision

fn clone(&self) -> SamplingDecision

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for SamplingDecision

impl Debug for SamplingDecision

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

Formats the value using the given formatter.

impl Eq for SamplingDecision

impl PartialEq for SamplingDecision

fn eq(&self, other: &SamplingDecision) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for SamplingDecision