Type Alias BoxedFmtLayer 

pub type BoxedFmtLayer = Box<dyn Layer<Layered<ErrorLayer<Layered<EnvFilter, Layered<Option<Box<dyn Layer<Registry> + Send + Sync>>, Registry>>>, Layered<EnvFilter, Layered<Option<Box<dyn Layer<Registry> + Send + Sync>>, Registry>>>> + Send + Sync>;

A boxed Layer that can be used with LogPlugin::fmt_layer.

Aliased Type

pub struct BoxedFmtLayer(/* private fields */);