Trait OptionalFromRequestBody 

pub trait OptionalFromRequestBody: OptionalFromRequest {
    // Required method
    fn from_optional_request_body(
        parts: &Parts,
        body: Body,
    ) -> impl Future<Output = Result<Option<Self>, Self::Rejection>> + Send + 'static;
}

Available on crate features http and std only.

Customize the behavior of Option<Self> as a FromRequestBody extractor.

Required Methods

fn from_optional_request_body( parts: &Parts, body: Body, ) -> impl Future<Output = Result<Option<Self>, Self::Rejection>> + Send + 'static

Perform extraction using borrowed request parts and an owned request body.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl OptionalFromRequestBody for OctetStream

impl<T> OptionalFromRequestBody for Json<T>

where T: DeserializeOwned + Send + Sync + 'static,

impl<T> OptionalFromRequestBody for JsonReadStream<T, BodyDataStream>

where T: DeserializeOwned + Send + Sync + 'static,

impl<T> OptionalFromRequestBody for ReadSignals<T>

where T: DeserializeOwned + Send + Sync + 'static,