Struct FeatureFlags 

pub struct FeatureFlags { /* private fields */ }

Feature flag configuration.

Implementations

impl FeatureFlags

pub fn global() -> &'static FeatureFlags

Get the global feature flags instance.

pub fn set_global(flags: FeatureFlags)

Set the global feature flags.

pub fn from_env() -> FeatureFlags

Create feature flags from environment variables.

pub fn is_enabled(&self, feature: Feature) -> bool

Check whether a specific feature is currently enabled.

pub fn enable(&mut self, feature: Feature)

Enable a feature flag.

pub fn disable(&mut self, feature: Feature)

Disable a feature flag.

pub fn toggle(&mut self, feature: Feature)

Toggle a feature flag between enabled and disabled.

pub fn enabled_features(&self) -> impl Iterator<Item = &Feature>

Iterate over all currently enabled features.

pub fn enabled_in_category(&self, category: FeatureCategory) -> Vec<Feature>

Return all enabled features belonging to a specific category.

pub fn features_in_category(category: FeatureCategory) -> Vec<Feature>

Return all features (enabled or not) that belong to a category.

pub fn builder() -> FeatureFlagsBuilder

Create a new FeatureFlagsBuilder starting from defaults.

Trait Implementations

impl Clone for FeatureFlags

fn clone(&self) -> FeatureFlags

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FeatureFlags

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

Formats the value using the given formatter.

impl Default for FeatureFlags

fn default() -> FeatureFlags

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for FeatureFlags

fn deserialize<__D>( __deserializer: __D, ) -> Result<FeatureFlags, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for FeatureFlags

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

where __S: Serializer,

Serialize this value into the given Serde serializer.