rustc_session::config::cfg

Struct CheckCfg

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pub struct CheckCfg {
    pub exhaustive_names: bool,
    pub exhaustive_values: bool,
    pub expecteds: FxHashMap<Symbol, ExpectedValues<Symbol>>,
    pub well_known_names: FxHashSet<Symbol>,
}
Expand description

The parsed --check-cfg options.

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§exhaustive_names: bool

Is well known names activated

§exhaustive_values: bool

Is well known values activated

§expecteds: FxHashMap<Symbol, ExpectedValues<Symbol>>

All the expected values for a config name

§well_known_names: FxHashSet<Symbol>

Well known names (only used for diagnostics purposes)

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impl CheckCfg

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

Fill the current CheckCfg with all the well known cfgs

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impl Default for CheckCfg

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fn default() -> CheckCfg

Returns the “default value” for a type. Read more

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

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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