Struct Element 

pub struct Element { /* private fields */ }

A unit of CBOR-encoded data

Each Element contains:

• A major number, indicating the type of data.
• An “additional information” field.
• A Zero-to-eight byte immediate value (containing a numeric value or length).
• An optional sequence of payload bytes.

See RFC 7049 for details.

Some CborType values will require multiple Elements to encode.

Implementations

impl Element

pub fn new(major: Major, adn_info: AdnInfo, imm: ImmediateValue) -> Element

Create a new Element, with no payload buffer.

pub fn simple(major: Major, adn_info: AdnInfo) -> Element

Create a new Element, with no payload buffer or immediate data.

pub fn set_bytes(&mut self, bytes: &[u8])

Add a payload buffer to this Element.

pub fn get_length(&self) -> Result<usize, DecodeError>

Extract a length value from the Element.

In many elements, the adn_info and imm fields encode a length parameter. This function attempts to extract that value. If the adn_info is not a value between 0 and 27, it will return an error.

Trait Implementations

impl Clone for Element

fn clone(&self) -> Element

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Element

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

Formats the value using the given formatter.

impl Display for Element

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

Formats the value using the given formatter.

impl Encode for Element

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

Encode data to bytes.

impl PartialEq for Element

fn eq(&self, other: &Element) -> 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 StructuralPartialEq for Element