Struct BaggagePropagator 

pub struct BaggagePropagator;

Baggage 传播器：在 HTTP header 与 Baggage 对象之间转换

Implementations

impl BaggagePropagator

pub fn new() -> Self

创建传播器

pub fn inject(&self, baggage: &Baggage, headers: &mut HashMap<String, String>)

将 Baggage 注入到 header map

pub fn extract(&self, headers: &HashMap<String, String>) -> Baggage

从 header map 提取 Baggage

Trait Implementations

impl Default for BaggagePropagator

fn default() -> Self

Returns the “default value” for a type.