Trait axum::extract::FromRequestParts

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

    // Required method
    fn from_request_parts<'life0, 'life1, 'async_trait>(
        parts: &'life0 mut Parts,
        state: &'life1 S,
    ) -> Pin<Box<dyn Future<Output = Result<Self, Self::Rejection>> + Send + 'async_trait>>
       where 'life0: 'async_trait,
             'life1: 'async_trait,
             Self: 'async_trait;
}
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<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<Self, Self::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

Perform the extraction.

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

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

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type Rejection = Infallible

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fn from_request_parts<'life0, 'life1, 'async_trait>( _: &'life0 mut Parts, _: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(), <() as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (): 'async_trait,

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

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type Rejection = Infallible

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, _state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<Extensions, <Extensions as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Extensions: 'async_trait,

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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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type Rejection = Infallible

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, _: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<HeaderMap, <HeaderMap as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, HeaderMap: 'async_trait,

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

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type Rejection = Infallible

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, _: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<Method, <Method as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Method: 'async_trait,

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

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type Rejection = Infallible

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, _state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<Parts, <Parts as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Parts: 'async_trait,

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

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type Rejection = Infallible

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, _: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<Uri, <Uri as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Uri: 'async_trait,

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

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type Rejection = Infallible

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, _: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<Version, <Version as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Version: 'async_trait,

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

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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1,), <(T1,) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1,): 'async_trait,

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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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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1, T2), <(T1, T2) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1, T2): 'async_trait,

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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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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1, T2, T3), <(T1, T2, T3) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1, T2, T3): 'async_trait,

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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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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1, T2, T3, T4), <(T1, T2, T3, T4) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1, T2, T3, T4): 'async_trait,

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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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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1, T2, T3, T4, T5), <(T1, T2, T3, T4, T5) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1, T2, T3, T4, T5): 'async_trait,

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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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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1, T2, T3, T4, T5, T6), <(T1, T2, T3, T4, T5, T6) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1, T2, T3, T4, T5, T6): 'async_trait,

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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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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1, T2, T3, T4, T5, T6, T7), <(T1, T2, T3, T4, T5, T6, T7) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1, T2, T3, T4, T5, T6, T7): 'async_trait,

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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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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1, T2, T3, T4, T5, T6, T7, T8), <(T1, T2, T3, T4, T5, T6, T7, T8) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1, T2, T3, T4, T5, T6, T7, T8): 'async_trait,

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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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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9), <(T1, T2, T3, T4, T5, T6, T7, T8, T9) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1, T2, T3, T4, T5, T6, T7, T8, T9): 'async_trait,

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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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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10), <(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10): 'async_trait,

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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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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11), <(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11): 'async_trait,

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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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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12), <(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12): 'async_trait,

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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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type Rejection = Response<Body>

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13), <(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13) as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13): 'async_trait,

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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>
where T: FromRequestParts<S>, S: Send + Sync,

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type Rejection = Infallible

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<Option<T>, <Option<T> as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Option<T>: 'async_trait,

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

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type Rejection = Infallible

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fn from_request_parts<'life0, 'life1, 'async_trait>( parts: &'life0 mut Parts, state: &'life1 S, ) -> Pin<Box<dyn Future<Output = Result<Result<T, <T as FromRequestParts<S>>::Rejection>, <Result<T, <T as FromRequestParts<S>>::Rejection> as FromRequestParts<S>>::Rejection>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, Result<T, <T as FromRequestParts<S>>::Rejection>: 'async_trait,

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 Host
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 RawPathParams
where S: Send + Sync,

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

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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,