Struct ItemMetadata 

pub struct ItemMetadata {
    pub item_id: String,
    pub category: String,
    pub features: HashMap<String, String>,
    pub popularity: f64,
    pub embedding: Option<Vec<f32>>,
}

Item metadata

Fields

item_id: String

Item identifier

category: String

Item category

features: HashMap<String, String>

Item features

popularity: f64

Item popularity score

embedding: Option<Vec<f32>>

Item embedding (if available)

Trait Implementations

impl Clone for ItemMetadata

fn clone(&self) -> ItemMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ItemMetadata

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ItemMetadata

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ItemMetadata

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

where __S: Serializer,

Serialize this value into the given Serde serializer.