Struct elfo_core::Local

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pub struct Local<T>(_);
Expand description

Used to send values that cannot be serialized. Works inside the current node only.

Messages must be instances of Clone, Serialize and Deserialize because of network communication and message dumping. However, in some cases, it’s desired to have messages that cannot satisfy requirements. For instance, when sending channels.

Local<T> implements Debug, Serialize and Deserialize for any T. Meanwhile, it can be serialized (but w/o useful information), it cannot be deserialized (it returns an error on attempts).

Example

#[message]
pub struct OpenDirectChannel {
    pub tx: Local<mpsc::Sender>,
}

Implementations§

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impl<T> Local<T>

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pub fn into_inner(self) -> T

Trait Implementations§

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impl<T: Clone> Clone for Local<T>

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fn clone(&self) -> Local<T>

Returns a copy 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<T> Debug for Local<T>

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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<T: Default> Default for Local<T>

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fn default() -> Local<T>

Returns the “default value” for a type. Read more
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impl<T> Deref for Local<T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<'de, T> Deserialize<'de> for Local<T>

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fn deserialize<D>(_deserializer: D) -> Result<Self, D::Error>where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<T> From<T> for Local<T>

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fn from(original: T) -> Local<T>

Converts to this type from the input type.
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impl<T: PartialEq> PartialEq<Local<T>> for Local<T>

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fn eq(&self, other: &Local<T>) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<T> Serialize for Local<T>

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl<T: Copy> Copy for Local<T>

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impl<T: Eq> Eq for Local<T>

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impl<T> StructuralEq for Local<T>

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impl<T> StructuralPartialEq for Local<T>

Auto Trait Implementations§

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impl<T> RefUnwindSafe for Local<T>where T: RefUnwindSafe,

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impl<T> Send for Local<T>where T: Send,

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impl<T> Sync for Local<T>where T: Sync,

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impl<T> Unpin for Local<T>where T: Unpin,

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impl<T> UnwindSafe for Local<T>where T: UnwindSafe,

Blanket Implementations§

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impl<T, A, P> Access<T> for Pwhere A: Access<T> + ?Sized, P: Deref<Target = A>,

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type Guard = <A as Access<T>>::Guard

A guard object containing the value and keeping it alive. Read more
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fn load(&self) -> <P as Access<T>>::Guard

The loading method. Read more
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impl<T> Any for Twhere 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 Twhere 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 Twhere 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, A> DynAccess<T> for Awhere A: Access<T>, <A as Access<T>>::Guard: 'static,

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fn load(&self) -> DynGuard<T>

The equivalent of Access::load.
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impl<T> From<!> for T

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fn from(t: !) -> T

Converts to this type from the input type.
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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 Twhere 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> Serialize for Twhere T: Serialize + ?Sized,

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fn erased_serialize(&self, serializer: &mut dyn Serializer) -> Result<Ok, Error>

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impl<T> ToOwned for Twhere 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 Twhere 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 Twhere 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
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impl<C> Config for Cwhere C: for<'de> Deserialize<'de> + Send + Sync + Debug + 'static,

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impl<T> DeserializeOwned for Twhere T: for<'de> Deserialize<'de>,