Struct HeaderOptionValueLayer

pub struct HeaderOptionValueLayer<T> { /* private fields */ }

Layer which stores the Default value of type T in case the header with the given HeaderName is present and has a bool-like value.

Implementations

impl<T> HeaderOptionValueLayer<T>

pub fn required(header_name: HeaderName) -> Self

Create a new HeaderOptionValueLayer with the given header name, on which optionally create the valu, and which will fail if the header is missing.

pub fn optional(header_name: HeaderName) -> Self

Create a new HeaderOptionValueLayer with the given header name, on which optionally create the valu, and which will gracefully accept if the header is missing.

Trait Implementations

impl<T> Clone for HeaderOptionValueLayer<T>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T> Debug for HeaderOptionValueLayer<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T, S> Layer<S> for HeaderOptionValueLayer<T>

type Service = HeaderOptionValueService<T, S>

The service produced by the layer.

fn layer(&self, inner: S) -> Self::Service

Wrap the given service with the middleware, returning a new service.