puzz_core::service::util

Struct Then

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pub struct Then<S, F> { /* private fields */ }

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impl<S, F> Then<S, F>

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pub fn new(inner: S, f: F) -> Then<S, F>

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impl<S, F> Clone for Then<S, F>
where S: Clone, F: Clone,

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fn clone(&self) -> Then<S, F>

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<S, F> Debug for Then<S, F>
where S: Debug,

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

Formats the value using the given formatter. Read more
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impl<S, F, Req, Res, Err, Fut> Service<Req> for Then<S, F>
where S: Service<Req>, F: FnOnce(Result<<S as Service<Req>>::Response, <S as Service<Req>>::Error>) -> Fut + Clone, Fut: Future<Output = Result<Res, Err>>,

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type Response = Res

服务返回的响应。
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type Error = Err

服务产生的错误。
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type Future = ThenFuture<<S as Service<Req>>::Future, Fut, F>

异步返回的响应。
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fn call(&self, request: Req) -> <Then<S, F> as Service<Req>>::Future

处理请求并异步返回响应。
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impl<S, F> Copy for Then<S, F>
where S: Copy, F: Copy,

Auto Trait Implementations§

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impl<S, F> Freeze for Then<S, F>
where S: Freeze, F: Freeze,

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impl<S, F> RefUnwindSafe for Then<S, F>
where S: RefUnwindSafe, F: RefUnwindSafe,

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impl<S, F> Send for Then<S, F>
where S: Send, F: Send,

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impl<S, F> Sync for Then<S, F>
where S: Sync, F: Sync,

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impl<S, F> Unpin for Then<S, F>
where S: Unpin, F: Unpin,

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impl<S, F> UnwindSafe for Then<S, F>
where S: UnwindSafe, F: UnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<S, Req> ServiceExt<Req> for S
where S: Service<Req>,

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fn with<T>(self, wrap: T) -> <T as Wrap<Self>>::Service
where Self: Sized, T: Wrap<Self>,

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fn and_then<F>(self, f: F) -> AndThen<Self, F>
where Self: Sized,

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fn then<F>(self, f: F) -> Then<Self, F>
where Self: Sized,

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fn map_err<F>(self, f: F) -> MapErr<Self, F>
where Self: Sized,

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fn map_future<F>(self, f: F) -> MapFuture<Self, F>
where Self: Sized,

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fn map_request<F>(self, f: F) -> MapRequest<Self, F>
where Self: Sized,

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fn map_response<F>(self, f: F) -> MapResponse<Self, F>
where Self: Sized,

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fn map_result<F>(self, f: F) -> MapResult<Self, F>
where Self: Sized,

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fn boxed(self) -> BoxService<Req, Self::Response, Self::Error>
where Self: Sized + 'static, Self::Future: 'static,

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fn boxed_clone(self) -> BoxCloneService<Req, Self::Response, Self::Error>
where Self: Sized + Clone + 'static, Self::Future: 'static,

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fn rc_boxed(self) -> RcService<Req, Self::Response, Self::Error>
where Self: Sized + 'static, Self::Future: 'static,

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.