layer

Function layer 

Source
pub fn layer<S>() -> impl Layer<S>
where S: Subscriber + for<'a> LookupSpan<'a>,
Expand description

Creates a formatting layer

Example:

use tracing::dispatcher::{self, Dispatch};
use tracing_subscriber::Registry;
use tracing_subscriber::layer::SubscriberExt;

let subscriber = Registry::default()
    .with(tracing_logfmt::layer());

dispatcher::set_global_default(Dispatch::new(subscriber))
    .expect("Global logger has already been set!");