Struct DdsAny 

pub struct DdsAny {
    pub type_name: String,
    pub payload: Vec<u8>,
}

IDL any as a type-erasure wrapper. Carries a type-identifier string (e.g. "std_msgs::Header") plus the payload bytes.

Consumer pattern: check type_name, then deserialize the payload with the concrete DdsType.

Fields

type_name: String

Fully-qualified type name (matches DdsType::TYPE_NAME).

payload: Vec<u8>

XCDR2 payload bytes of the wrapped value.

Implementations

impl DdsAny

pub fn pack<T: DdsType>(value: &T) -> Result<Self, EncodeError>

Constructs a DdsAny from a DdsType value.

Errors

EncodeError on encode failure.

pub fn unpack<T: DdsType>(&self) -> Result<T, DecodeError>

Attempts to unpack the wrapped value as T.

Errors

DecodeError::Invalid if T::TYPE_NAME != self.type_name or on a decode error.

Trait Implementations

impl CdrDecode for DdsAny

fn decode(r: &mut BufferReader<'_>) -> Result<Self, DecodeError>

Reads this value from the reader (alignment-aware).

const IS_PRIMITIVE: bool = false

XCDR2 primitive classification, symmetric to CdrEncode::IS_PRIMITIVE. Controls DHEADER reading when decoding sequence<T>/T[N] with non-primitive T.

impl CdrEncode for DdsAny

fn encode(&self, w: &mut BufferWriter) -> Result<(), EncodeError>

Writes this value into the writer (alignment-aware).

const IS_PRIMITIVE: bool = false

XCDR2 primitive classification (OMG XTypes 1.3 §7.4.3.5): true only for primitives (bool, octet, int8/16/32/64, uint8/16/32/64, float, double, char/wchar). false for aggregate/variable types (string, struct, union, enum, sequence, array, map). Controls DHEADER prepending for sequence<T>/T[N]: collections with NON-primitive elements need a DHEADER (uint32 = byte length of the following content) under XCDR2.

impl Clone for DdsAny

fn clone(&self) -> DdsAny

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DdsAny

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

Formats the value using the given formatter.

impl Default for DdsAny

fn default() -> DdsAny

Returns the “default value” for a type.

impl Eq for DdsAny

impl PartialEq for DdsAny

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for DdsAny