Struct SourceItem 

pub struct SourceItem {
    pub ordinal: u64,
    pub fields: Vec<(String, Value)>,
}

A single item yielded by a source.

Fields

ordinal: u64

Position in the source sequence.

fields: Vec<(String, Value)>

Named field values. Empty for range sources (ordinal IS the data). For dataset sources: [("vector", Value::Json(...)), ("metadata", Value::U64(...))].

Implementations

impl SourceItem

pub fn ordinal(ordinal: u64) -> Self

Create a range item (ordinal only, no fields).

pub fn with_fields(ordinal: u64, fields: Vec<(String, Value)>) -> Self

Create an item with ordinal and named fields.

pub fn field(&self, name: &str) -> Option<&Value>

Get a field value by name.

Trait Implementations

impl Clone for SourceItem

fn clone(&self) -> SourceItem

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SourceItem

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

Formats the value using the given formatter.