Struct FlagContext 

pub struct FlagContext {
    pub user_id: Option<String>,
    pub attributes: HashMap<String, String>,
}

Evaluation context handed to a flag provider on every call.

Pure data, no framework types — matches the AuthRequestContext and RequestContext conventions so the shape travels across the sandbox boundary. attributes is the same escape-hatch map as AuthUser::attributes: arbitrary provider-specific targeting inputs (country, device class, plan tier, cohort) land here as flat string pairs so the trait itself never grows vendor-specific fields.

Fields

user_id: Option<String>

Stable user identifier for per-user rollouts / bucketing. None for anonymous evaluation — providers that require a subject should fall back to their default value rather than erroring.

attributes: HashMap<String, String>

Free-form targeting attributes. Keys are provider-defined ("country", "plan", "device_class", …); values are plain strings so the map round-trips through any serialisation format.

Implementations

impl FlagContext

pub fn anonymous() -> Self

Construct an empty, anonymous context. Every field defaults.

pub fn for_user(user_id: impl Into<String>) -> Self

Construct a context bound to a specific user id, with no attributes. Callers add attributes with .with_attribute(..).

pub fn with_attribute( self, key: impl Into<String>, value: impl Into<String>, ) -> Self

Builder-style helper for adding a single attribute.

Trait Implementations

impl Clone for FlagContext

fn clone(&self) -> FlagContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FlagContext

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

Formats the value using the given formatter.

impl Default for FlagContext

fn default() -> FlagContext

Returns the “default value” for a type.