Struct rustc_session::config::CheckCfg

pub struct CheckCfg<T = String> {
    pub names_valid: Option<FxHashSet<T>>,
    pub well_known_values: bool,
    pub values_valid: FxHashMap<T, FxHashSet<T>>,
}

The parsed --check-cfg options

Fields

names_valid: Option<FxHashSet<T>>

The set of all names(), if None no name checking is performed

well_known_values: bool

Is well known values activated

values_valid: FxHashMap<T, FxHashSet<T>>

The set of all values()

Implementations

impl<T> CheckCfg<T>

fn map_data<O: Eq + Hash>(&self, f: impl Fn(&T) -> O) -> CheckCfg<O>

impl CheckCfg<Symbol>

fn fill_well_known_names(&mut self)

Fills a CrateCheckConfig with well-known configuration names.

fn fill_well_known_values(&mut self, current_target: &Target)

Fills a CrateCheckConfig with well-known configuration values.

pub fn fill_well_known(&mut self, current_target: &Target)

Trait Implementations

impl<T> Default for CheckCfg<T>

fn default() -> Self

Returns the “default value” for a type.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 72 bytes