Struct RunMetadata 

pub struct RunMetadata {
    pub name: String,
    pub version: String,
    pub run_id: String,
    pub total_steps: usize,
    pub total_episodes: usize,
    pub started_at: String,
    pub last_updated: String,
}

Persisted metadata for a training run.

Written to metadata.json in the run directory. Updated after each checkpoint via TrainingRun::update_metadata.

Fields

name: String

Human-readable name (e.g. "cartpole").

version: String

Version string (e.g. "v1", "baseline").

run_id: String

Timestamp string used as the run directory name (YYYYMMDD_HHMMSS).

total_steps: usize

Total environment steps at last update.

total_episodes: usize

Total episodes completed at last update.

started_at: String

ISO-8601 datetime this run was created.

last_updated: String

ISO-8601 datetime of the last metadata update.

Trait Implementations

impl Clone for RunMetadata

fn clone(&self) -> RunMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RunMetadata

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for RunMetadata

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for RunMetadata

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.