Struct Layer 

pub struct Layer<In, E, Out> {
    pub build: Effect<In, E, Env>,
    /* private fields */
}

Layer<In, E, Out> Builds an Env containing Out, starting from In.

In: The environment required to build the layer E: The error type Out: The environment provided by the layer

Fields

build: Effect<In, E, Env>

Implementations

impl<In, E, Out> Layer<In, E, Out>

where In: Clone + Send + Sync + 'static, E: Send + Sync + 'static, Out: Send + Sync + 'static,

pub fn new(build: Effect<In, E, Env>) -> Self

Creates a layer from an effect that builds the environment.

pub fn succeed<T>(val: T) -> Layer<In, E, T>

where T: Send + Sync + Clone + 'static, In: Send + Sync, E: Send + Sync,

Creates a layer that provides a single service.

pub fn provide_to<A>(self, effect: Effect<Env, E, A>) -> Effect<In, E, A>

where A: Send + Sync + 'static,

Trait Implementations

impl<In, E, Out> Clone for Layer<In, E, Out>

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.