Struct PooledSpan 

pub struct PooledSpan {
    pub trace_id: String,
    pub span_id: String,
    pub name: Cow<'static, str>,
    pub attributes: Vec<(Cow<'static, str>, String)>,
    pub timestamp_nanos: u64,
    pub duration_nanos: u64,
    pub status_code: i32,
}

Pooled span data (Sprint 36: zero-copy with Cow)

Fields

trace_id: String

span_id: String

name: Cow<'static, str>

Operation name - often static (e.g., “syscall:open”, “compute_block:mean”) Uses Cow for zero-copy when static strings are used

attributes: Vec<(Cow<'static, str>, String)>

Attributes with static keys (zero-copy optimization)

timestamp_nanos: u64

duration_nanos: u64

status_code: i32

Implementations

impl PooledSpan

pub fn set_name_static(&mut self, name: &'static str)

Set span name from static string (zero-copy)

pub fn set_name_owned(&mut self, name: String)

Set span name from owned string

pub fn add_attribute_static(&mut self, key: &'static str, value: String)

Add attribute with static key (zero-copy for key)

pub fn add_attribute_owned(&mut self, key: String, value: String)

Add attribute with owned key

Trait Implementations

impl Clone for PooledSpan

fn clone(&self) -> PooledSpan

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PooledSpan

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

Formats the value using the given formatter.