Trait Metadata 

pub trait Metadata:
    Debug
    + PartialEq
    + Serialize
    + DeserializeOwned {
    const ROLE: Role;

    // Required methods
    fn version(&self) -> u32;
    fn expires(&self) -> &DateTime<Utc>;
}

Top level trait used for role metadata.

Required Associated Constants

const ROLE: Role

The role associated with the metadata.

Required Methods

fn version(&self) -> u32

The version number.

fn expires(&self) -> &DateTime<Utc>

An immutable reference to the metadata’s expiration DateTime.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl Metadata for RootMetadata

const ROLE: Role = Role::Root

impl Metadata for SnapshotMetadata

const ROLE: Role = Role::Snapshot

impl Metadata for TargetsMetadata

const ROLE: Role = Role::Targets

impl Metadata for TimestampMetadata

const ROLE: Role = Role::Timestamp