Trait TraceContextExt 

pub trait TraceContextExt {
    // Required methods
    fn current() -> TraceContext;
    fn set_current(context: TraceContext);
    fn with<F, R>(context: TraceContext, f: F) -> R
       where F: FnOnce() -> R;
}

TraceContext 扩展 trait

Required Methods

fn current() -> TraceContext

获取当前上下文

fn set_current(context: TraceContext)

设置当前上下文

fn with<F, R>(context: TraceContext, f: F) -> R

where F: FnOnce() -> R,

在指定上下文中执行闭包

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl TraceContextExt for TraceContext