Struct FeatureChecker

pub struct FeatureChecker { /* private fields */ }

Implementations

impl FeatureChecker

pub fn enable_feature(&mut self, feature: &'static str)

pub fn set_exit_cb(&mut self, cb: Box<dyn Fn(&str, &str) + Send + Sync>)

pub fn set_warn_cb(&mut self, cb: Box<dyn Fn(&str, &str) + Send + Sync>)

pub fn check(&self, feature: &str) -> bool

Check if a feature is enabled.

If a feature in not present in the checker, return false.

pub fn check_or_exit(&self, feature: &str, api_name: &str)

pub fn check_or_exit_with_legacy_fallback(&self, feature: &str, api_name: &str)

pub fn enable_legacy_unstable(&mut self)

pub fn warn_on_legacy_unstable(&mut self)

Trait Implementations

impl Debug for FeatureChecker

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

Formats the value using the given formatter.

impl Default for FeatureChecker

fn default() -> Self

Returns the “default value” for a type.