Struct Filter 

pub struct Filter<E, F> { /* private fields */ }

Filter evaluator, see EvaluatorExt::filter.

Trait Implementations

impl<E, F> Evaluator for Filter<E, F>

where E: Evaluator, F: Fn(&str) -> bool + Send + Sync + 'static,

fn is_enabled(&self, feature: &str, context: &Context) -> Option<bool>

Checks if a feature is enabled in the given context.

fn on_registration(&self)

Called when the evaluator is registered.

fn on_new_context(&self, context: ContextRef<'_>, fields: Fields<'_>)

Called when a new context is created.

fn on_close_context(&self, context: ContextRef<'_>)

Called when a context is closed.

fn into_ref(self) -> EvaluatorRef

where Self: Sized + 'static,

Converts the evaluator into an EvaluatorRef.