Trait metrics_util::layers::Layer

pub trait Layer<R> {
    type Output;

    fn layer(&self, inner: R) -> Self::Output;
}

Decorates an object by wrapping it within another type.

Required Associated Types

type Output

The output type after wrapping.

Required Methods

fn layer(&self, inner: R) -> Self::Output

Wraps inner based on this layer.

Implementors

impl<R> Layer<R> for FilterLayer

type Output = Filter<R>

impl<R> Layer<R> for PrefixLayer

type Output = Prefix<R>