Function tracing_subscriber::fmt::layer[−][src]

pub fn layer<S>() -> Layer<S>ⓘNotable traits for Layer<S, N, E, W>
impl<S, N, E, W> Layer<S> for Layer<S, N, E, W> where
    S: Subscriber + for<'a> LookupSpan<'a>,
    N: for<'writer> FormatFields<'writer> + 'static,
    E: FormatEvent<S, N> + 'static,
    W: MakeWriter + 'static,

This is supported on crate feature fmt only.

Expand description

Returns a new formatting layer that can be composed with other layers to construct a Subscriber.

This is a shorthand for the equivalent Layer::default function.