Struct StreamMetadata 

pub struct StreamMetadata {
    pub model: Option<String>,
    pub extra: HashMap<String, Value>,
}

Stream metadata with typed known fields and passthrough for extras.

Fields

model: Option<String>

extra: HashMap<String, Value>

Catch-all for additional fields (passthrough behavior).

Implementations

impl StreamMetadata

pub fn is_empty(&self) -> bool

Returns true if the metadata has no content.

pub fn to_map(&self) -> Option<Map<String, Value>>

Convert to a serde_json Map for logging.

Trait Implementations

impl Clone for StreamMetadata

fn clone(&self) -> StreamMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StreamMetadata

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

Formats the value using the given formatter.

impl Default for StreamMetadata

fn default() -> StreamMetadata

Returns the “default value” for a type.

impl Serialize for StreamMetadata

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

where __S: Serializer,

Serialize this value into the given Serde serializer.