Struct Any 

pub struct Any {
    pub type_url: String,
    pub value: Vec<u8>,
    /* private fields */
}

Fields

type_url: String

Field 1: type_url

value: Vec<u8>

Field 2: value

Implementations

impl Any

pub fn pack(msg: &impl Message, type_url: impl Into<String>) -> Self

Pack a message into an Any with the given type URL.

The type URL is conventionally of the form type.googleapis.com/fully.qualified.TypeName, but this method does not enforce that convention — any string is accepted.

pub fn unpack_unchecked<T: Message>(&self) -> Result<T, DecodeError>

Unpack the contained message, decoding its bytes as T, without checking the type_url.

This method always attempts to decode the payload as T regardless of whether type_url actually identifies T. Use Any::unpack_if when you need to verify the stored type before decoding.

Errors

Returns a buffa::DecodeError if the bytes cannot be decoded as T.

pub fn unpack_if<T: Message>( &self, expected_type_url: &str, ) -> Result<Option<T>, DecodeError>

Unpack the contained message as T, but only if the type_url matches expected_type_url.

Returns Ok(None) when the type URL does not match.

Errors

Returns a buffa::DecodeError if the type URL matches but the bytes cannot be decoded as T.

pub fn is_type(&self, type_url: &str) -> bool

Returns true if this Any’s type_url matches the given string.

pub fn type_url(&self) -> &str

Returns the type URL stored in this Any.

impl Any

pub const TYPE_URL: &'static str = "type.googleapis.com/google.protobuf.Any"

Protobuf type URL for this message, for use with Any::pack and Any::unpack_if.

Format: type.googleapis.com/<fully.qualified.TypeName>

Trait Implementations

impl<'arbitrary> Arbitrary<'arbitrary> for Any

fn arbitrary(u: &mut Unstructured<'arbitrary>) -> Result<Self>

Generate an arbitrary value of Self from the given unstructured data.

fn arbitrary_take_rest(u: Unstructured<'arbitrary>) -> Result<Self>

Generate an arbitrary value of Self from the entirety of the given unstructured data.

fn size_hint(depth: usize) -> (usize, Option<usize>)

Get a size hint for how many bytes out of an Unstructured this type needs to construct itself.

fn try_size_hint( depth: usize, ) -> Result<(usize, Option<usize>), MaxRecursionReached>

Get a size hint for how many bytes out of an Unstructured this type needs to construct itself.

impl Clone for Any

fn clone(&self) -> Any

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Any

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

Formats the value using the given formatter.

impl Default for Any

fn default() -> Any

Returns the “default value” for a type.

impl DefaultInstance for Any

fn default_instance() -> &'static Self

Return a reference to the single default instance of this type.

impl<'de> Deserialize<'de> for Any

Available on crate feature json only.

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

Deserialize this value from the given Serde deserializer.

impl Message for Any

fn compute_size(&self) -> u32

Returns the total encoded size in bytes.

The result is a u32; the protobuf specification requires all messages to fit within 2 GiB (2,147,483,647 bytes), so a compliant message will never overflow this type.

fn write_to(&self, buf: &mut impl BufMut)

Write this message’s encoded bytes to a buffer.

fn merge_field( &mut self, tag: Tag, buf: &mut impl Buf, depth: u32, ) -> Result<(), DecodeError>

Processes a single already-decoded tag and its associated field data from buf.

fn cached_size(&self) -> u32

The cached encoded size from the last compute_size() call.

fn clear(&mut self)

Clear all fields to their default values.

fn encode(&self, buf: &mut impl BufMut)

Convenience: compute size, then write. This is the primary encoding API.

fn encode_length_delimited(&self, buf: &mut impl BufMut)

Encode this message as a length-delimited byte sequence.

fn encode_to_vec(&self) -> Vec<u8>

Encode this message to a new Vec<u8>.

fn encode_to_bytes(&self) -> Bytes

Encode this message to a new bytes::Bytes.

fn decode(buf: &mut impl Buf) -> Result<Self, DecodeError>

where Self: Sized,

Decode a message from a buffer.

fn decode_from_slice(data: &[u8]) -> Result<Self, DecodeError>

where Self: Sized,

Decode a message from a byte slice.

fn decode_length_delimited(buf: &mut impl Buf) -> Result<Self, DecodeError>

where Self: Sized,

Decode a length-delimited message from a buffer.

fn merge_to_limit( &mut self, buf: &mut impl Buf, depth: u32, limit: usize, ) -> Result<(), DecodeError>

Merge fields from a buffer until buf.remaining() reaches limit.

fn merge_group( &mut self, buf: &mut impl Buf, depth: u32, field_number: u32, ) -> Result<(), DecodeError>

Merges a group-encoded message from buf, reading fields until an EndGroup tag with the given field_number is encountered.

fn merge(&mut self, buf: &mut impl Buf, depth: u32) -> Result<(), DecodeError>

Merge fields from a buffer into this message.

fn merge_from_slice(&mut self, data: &[u8]) -> Result<(), DecodeError>

Merge fields from a byte slice into this message.

fn merge_length_delimited( &mut self, buf: &mut impl Buf, depth: u32, ) -> Result<(), DecodeError>

Merge fields from a length-delimited sub-message payload into this message.

impl PartialEq for Any

fn eq(&self, other: &Any) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for Any

Available on crate feature json only.

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

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Any