pub enum Msg<T> {
    Single(T),
    Batch(Vec<T>),
}
Expand description

Represents a wrapper around a message, supporting single and batch payloads.

Variants§

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Single(T)

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Batch(Vec<T>)

Implementations§

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impl<T> Msg<T>

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pub fn single(payload: T) -> Self

Creates a new msg with a singular payload.

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pub fn batch<I>(payloads: I) -> Selfwhere I: IntoIterator<Item = T>,

Creates a new msg with a batch payload.

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pub fn is_single(&self) -> bool

Returns true if msg has a single payload.

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pub fn as_single(&self) -> Option<&T>

Returns reference to single value if msg is single variant.

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pub fn as_mut_single(&mut self) -> Option<&T>

Returns mutable reference to single value if msg is single variant.

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pub fn into_single(self) -> Option<T>

Returns the single value if msg is single variant.

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pub fn is_batch(&self) -> bool

Returns true if msg has a batch of payloads.

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pub fn as_batch(&self) -> Option<&[T]>

Returns reference to batch value if msg is batch variant.

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pub fn as_mut_batch(&mut self) -> Option<&mut [T]>

Returns mutable reference to batch value if msg is batch variant.

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pub fn into_batch(self) -> Option<Vec<T>>

Returns the batch value if msg is batch variant.

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pub fn into_vec(self) -> Vec<T>

Convert into a collection of payload data.

Trait Implementations§

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impl<T: Clone> Clone for Msg<T>

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fn clone(&self) -> Msg<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> Debug for Msg<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<'de, T> Deserialize<'de> for Msg<T>where T: Deserialize<'de>,

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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 Msg<T>

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

Converts to this type from the input type.
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impl<T> From<Vec<T, Global>> for Msg<T>

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fn from(original: Vec<T>) -> Msg<T>

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

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fn eq(&self, other: &Msg<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 Msg<T>where T: Serialize,

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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: Eq> Eq for Msg<T>

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impl<T> StructuralEq for Msg<T>

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impl<T> StructuralPartialEq for Msg<T>

Auto Trait Implementations§

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

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

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

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

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

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