Struct MetadataParts 

pub struct MetadataParts {
    pub schema_version: u16,
    pub version: u8,
    pub config: Config,
    pub frame_count: u64,
    pub last_frame_len: Option<u64>,
    pub raw_lengths: Option<Lengths>,
    pub payload_lengths: Option<Lengths>,
}

Self-contained external metadata, including keys. It is not self-authenticating. Persist it in trusted storage and restore with Metadata::from_parts.

Fields

schema_version: u16

Required schema identifier. Only METADATA_SCHEMA_VERSION is supported.

version: u8

Frame format identifier; currently FORMAT_VERSION.

config: Config

Object profile.

frame_count: u64

Exact number of nonempty frames.

last_frame_len: Option<u64>

Only for a nonempty fixed-framing object. Full final frames are allowed.

raw_lengths: Option<Lengths>

Required only for variable logical framing; includes the last frame.

payload_lengths: Option<Lengths>

Required only with compression; excludes tags, includes raw fallbacks.

Trait Implementations

impl Clone for MetadataParts

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MetadataParts

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

Formats the value using the given formatter.

impl Eq for MetadataParts

impl PartialEq for MetadataParts

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for MetadataParts