Struct FieldSelector 

pub struct FieldSelector { /* private fields */ }

Field selector for filtering query results

Implementations

impl FieldSelector

pub fn new(fields: HashSet<String>) -> Self

Create a new field selector with specific allowed fields

Arguments

• fields - Set of field paths to allow (e.g., “episode.id”, “episode.task_description”)

pub fn from_request(args: &Value) -> Self

Create a field selector from request arguments

Arguments

• args - Request arguments that may contain a fields parameter

Returns

Returns a FieldSelector. If no fields parameter is present, returns a selector that allows all fields (backward compatible).

pub fn apply<T: Serialize>(&self, value: &T) -> Result<Value>

Apply field selection to a serializable value

Arguments

• value - Value to filter (must implement Serialize)

Returns

Returns filtered JSON value

pub fn is_field_allowed(&self, path: &str) -> bool

Check if a specific field path is allowed

Trait Implementations

impl Clone for FieldSelector

fn clone(&self) -> FieldSelector

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FieldSelector

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

Formats the value using the given formatter.