Trait FromRequestParts

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pub trait FromRequestParts<S>: Sized {
    type Rejection: IntoResponse;

    // Required method
    fn from_request_parts(
        parts: &mut Parts,
        state: &S,
    ) -> impl Future<Output = Result<Self, Self::Rejection>> + Send;
}
Expand description

Types that can be created from request parts.

Extractors that implement FromRequestParts cannot consume the request body and can thus be run in any order for handlers.

If your extractor needs to consume the request body then you should implement FromRequest and not FromRequestParts.

See axum::extract for more general docs about extractors.

Required Associated Types§

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type Rejection: IntoResponse

If the extractor fails it’ll use this “rejection” type. A rejection is a kind of error that can be converted into a response.

Required Methods§

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fn from_request_parts( parts: &mut Parts, state: &S, ) -> impl Future<Output = Result<Self, Self::Rejection>> + Send

Perform the extraction.

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.

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impl<S> FromRequestParts<S> for ()
where S: Send + Sync,

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impl<S> FromRequestParts<S> for Extensions
where S: Send + Sync,

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impl<S> FromRequestParts<S> for Method
where S: Send + Sync,

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impl<S> FromRequestParts<S> for Version
where S: Send + Sync,

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impl<S, T1> FromRequestParts<S> for (T1,)
where T1: FromRequestParts<S> + Send, S: Send + Sync,

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impl<S, T1, T2> FromRequestParts<S> for (T1, T2)
where T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, S: Send + Sync,

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impl<S, T1, T2, T3> FromRequestParts<S> for (T1, T2, T3)
where T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, S: Send + Sync,

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impl<S, T1, T2, T3, T4> FromRequestParts<S> for (T1, T2, T3, T4)
where T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, S: Send + Sync,

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impl<S, T1, T2, T3, T4, T5> FromRequestParts<S> for (T1, T2, T3, T4, T5)
where T1: FromRequestParts<S> + Send, T2: FromRequestParts<S> + Send, T3: FromRequestParts<S> + Send, T4: FromRequestParts<S> + Send, T5: FromRequestParts<S> + Send, S: Send + Sync,

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impl<S, T1, T2, T3, T4, T5, T6> FromRequestParts<S> for (T1, T2, T3, T4, T5, T6)

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impl<S, T1, T2, T3, T4, T5, T6, T7> FromRequestParts<S> for (T1, T2, T3, T4, T5, T6, T7)

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impl<S, T1, T2, T3, T4, T5, T6, T7, T8> FromRequestParts<S> for (T1, T2, T3, T4, T5, T6, T7, T8)

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impl<S, T1, T2, T3, T4, T5, T6, T7, T8, T9> FromRequestParts<S> for (T1, T2, T3, T4, T5, T6, T7, T8, T9)

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impl<S, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> FromRequestParts<S> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10)

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impl<S, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> FromRequestParts<S> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)

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impl<S, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> FromRequestParts<S> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)

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impl<S, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> FromRequestParts<S> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13)

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impl<S, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> FromRequestParts<S> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14)

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impl<S, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> FromRequestParts<S> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15)

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impl<S, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> FromRequestParts<S> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16)

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impl<S, T> FromRequestParts<S> for Option<T>

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type Rejection = <T as OptionalFromRequestParts<S>>::Rejection

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fn from_request_parts( parts: &mut Parts, state: &S, ) -> impl Future<Output = Result<Option<T>, <Option<T> as FromRequestParts<S>>::Rejection>>

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impl<S, T> FromRequestParts<S> for Result<T, <T as FromRequestParts<S>>::Rejection>
where T: FromRequestParts<S>, S: Send + Sync,

Implementors§

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impl<OuterState, InnerState> FromRequestParts<OuterState> for State<InnerState>
where InnerState: FromRef<OuterState>, OuterState: Send + Sync,

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impl<S> FromRequestParts<S> for HeaderMap
where S: Send + Sync,

Clone the headers from the request.

Prefer using TypedHeader to extract only the headers you need.

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impl<S> FromRequestParts<S> for MatchedPath
where S: Send + Sync,

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impl<S> FromRequestParts<S> for NestedPath
where S: Send + Sync,

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impl<S> FromRequestParts<S> for OriginalUri
where S: Send + Sync,

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impl<S> FromRequestParts<S> for RawPathParams
where S: Send + Sync,

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impl<S> FromRequestParts<S> for RawQuery
where S: Send + Sync,

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impl<S> FromRequestParts<S> for RequestMethod
where S: Send + Sync,

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impl<S> FromRequestParts<S> for Parts
where S: Send + Sync,

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impl<S> FromRequestParts<S> for Uri
where S: Send + Sync,

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impl<S> FromRequestParts<S> for WebSocketUpgrade
where S: Send + Sync,

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impl<S, T> FromRequestParts<S> for ConnectInfo<T>
where S: Send + Sync, T: Clone + Send + Sync + 'static,

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impl<T, S> FromRequestParts<S> for Extension<T>
where T: Clone + Send + Sync + 'static, S: Send + Sync,

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impl<T, S> FromRequestParts<S> for Path<T>
where T: DeserializeOwned + Send, S: Send + Sync,

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impl<T, S> FromRequestParts<S> for Query<T>
where T: DeserializeOwned, S: Send + Sync,