Type Alias BoxedFmtLayer 

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

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

Aliased Type

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