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MessageResult

Struct MessageResult 

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pub struct MessageResult<M>(pub M::Result)
where
    M: Message;
Expand description

A helper type which wraps the result of a message handler as a message response.

This is useful when the result type of a message does not implement MessageResponse, and you can not implement MessageResponse for the type due to the orphan rule. In this case, you can wrap the result type with this type and use it as the Handler::Result associate type.

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§0: M::Result

Trait Implementations§

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impl<M> Debug for MessageResult<M>
where M: Message,

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

Formats the value using the given formatter. Read more
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impl<A, M> MessageResponse<A, M> for MessageResult<M>
where A: Actor, M: Message,

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fn handle( self, _ctx: &mut A::Context, tx: Option<Sender<M::Result>>, ) -> impl Future<Output = ()> + Send

Handles the response.

Auto Trait Implementations§

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impl<M> Freeze for MessageResult<M>
where <M as Message>::Result: Freeze,

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impl<M> RefUnwindSafe for MessageResult<M>
where <M as Message>::Result: RefUnwindSafe,

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impl<M> Send for MessageResult<M>

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impl<M> Sync for MessageResult<M>
where <M as Message>::Result: Sync,

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impl<M> Unpin for MessageResult<M>
where <M as Message>::Result: Unpin,

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impl<M> UnsafeUnpin for MessageResult<M>
where <M as Message>::Result: UnsafeUnpin,

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impl<M> UnwindSafe for MessageResult<M>
where <M as Message>::Result: 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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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<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.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more