pub enum Message {
    Request(Request),
    Response(Response),
    Notification(Notification),
    Batch(Vec<Message>),
    UnmatchedSub(Value),
}
Expand description

One message of the JSON RPC protocol.

One message, directly mapped from the structures of the protocol. See the specification for more details.

Since the protocol allows one endpoint to be both client and server at the same time, the message can decode and encode both directions of the protocol.

The Batch variant is supposed to be created directly, without a constructor.

The UnmatchedSub variant is used when a request is an array and some of the subrequests aren’t recognized as valid json rpc 2.0 messages. This is never returned as a top-level element, it is returned as Err(Broken::Unmatched).

Variants§

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Request(Request)

An RPC request.

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Response(Response)

A response to a Request.

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Notification(Notification)

A notification.

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Batch(Vec<Message>)

A batch of more requests or responses.

The protocol allows bundling multiple requests, notifications or responses to a single message.

This variant has no direct constructor and is expected to be constructed manually.

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UnmatchedSub(Value)

An unmatched sub entry in a Batch.

When there’s a Batch and an element doesn’t comform to the JSONRPC 2.0 format, that one is represented by this. This is never produced as a top-level value when parsing, the Err(Broken::Unmatched) is used instead. It is not possible to serialize.

Implementations§

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impl Message

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pub fn request(method: String, params: Value) -> Self

A constructor for a request.

The ID is auto-generated.

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pub fn error(error: RpcError) -> Self

Create a top-level error (without an ID).

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pub fn notification(method: String, params: Value) -> Self

A constructor for a notification.

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pub fn response(id: Value, result: Result<Value, RpcError>) -> Self

A constructor for a response.

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pub fn id(&self) -> Value

Returns id or Null if there is no id.

Trait Implementations§

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impl Clone for Message

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fn clone(&self) -> Message

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 Debug for 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<'de> Deserialize<'de> for Message

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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 Into<String> for Message

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fn into(self) -> String

Converts this type into the (usually inferred) input type.
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impl Into<Vec<u8>> for Message

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fn into(self) -> Vec<u8>

Converts this type into the (usually inferred) input type.
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impl PartialEq for Message

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fn eq(&self, other: &Message) -> 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 Serialize for Message

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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 StructuralPartialEq for Message

Auto Trait Implementations§

Blanket Implementations§

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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> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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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<F, W, T, D> Deserialize<With<T, W>, D> for F
where W: DeserializeWith<F, T, D>, D: Fallible + ?Sized, F: ?Sized,

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fn deserialize( &self, deserializer: &mut D ) -> Result<With<T, W>, <D as Fallible>::Error>

Deserializes using the given deserializer
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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> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Pointee for T

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type Metadata = ()

The type for metadata in pointers and references to Self.
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impl<T> Same for T

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type Output = T

Should always be Self
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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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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