Trait MakeSpan 

pub trait MakeSpan<B> {
    // Required method
    fn make_span(&mut self, request: &Request<B>) -> Span;
}

Available on crate feature trace only.

Trait used to generate Spans from requests. Trace wraps all request handling in this span.

Required Methods

fn make_span(&mut self, request: &Request<B>) -> Span

Make a span from a request.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<B> MakeSpan<B> for Span

fn make_span(&mut self, _request: &Request<B>) -> Span

Implementors

impl<B> MakeSpan<B> for DefaultMakeSpan

impl<F, B> MakeSpan<B> for F

where F: FnMut(&Request<B>) -> Span,