Trait LayerBuilder 

pub trait LayerBuilder: Send + Sync {
    // Required method
    fn build_layer<S>(
        &self,
        config: &TracingConfig,
    ) -> Result<Box<dyn Layer<S> + Send + Sync + 'static>, Error>
       where S: Subscriber + for<'a> LookupSpan<'a>;
}

Available on crate feature tracing_subscriber_ext only.

Trait for building format-specific tracing layers

Required Methods

fn build_layer<S>( &self, config: &TracingConfig, ) -> Result<Box<dyn Layer<S> + Send + Sync + 'static>, Error>

where S: Subscriber + for<'a> LookupSpan<'a>,

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl LayerBuilder for CompactLayerBuilder

impl LayerBuilder for FullLayerBuilder

impl LayerBuilder for JsonLayerBuilder

impl LayerBuilder for LogfmtLayerBuilder

impl LayerBuilder for PrettyLayerBuilder