Struct rustc_session::config::CheckCfg

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pub struct CheckCfg<T = String> {
    pub names_checked: bool,
    pub names_valid: FxHashSet<T>,
    pub values_checked: FxHashSet<T>,
    pub values_valid: FxHashSet<(T, T)>,
}

Expand description

The parsed --check-cfg options

Fields

names_checked: bool

Set if names() checking is enabled

names_valid: FxHashSet<T>

The union of all names()

values_checked: FxHashSet<T>

The set of names for which values() was used

values_valid: FxHashSet<(T, T)>

The set of all (name, value) pairs passed in values()

Implementations

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pub fn fill_well_known(&mut self)

Fills a CrateCheckConfig with well-known configuration names.

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pub fn fill_actual(&mut self, cfg: &CrateConfig)

Fills a CrateCheckConfig with configuration names and values that are actually active.

Trait Implementations

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impl<T> Default for CheckCfg<T>

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fn default() -> Self

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

Auto Trait Implementations

impl<T> RefUnwindSafe for CheckCfg<T> where
T: RefUnwindSafe,

impl<T> Send for CheckCfg<T> where
T: Send,

impl<T> Sync for CheckCfg<T> where
T: Sync,

impl<T> Unpin for CheckCfg<T> where
T: Unpin,

impl<T> UnwindSafe for CheckCfg<T> where
T: UnwindSafe,

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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: 104 bytes

Struct rustc_session::config::CheckCfg

Fields

Implementations

impl<T> CheckCfg<T>

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

impl CheckCfg<Symbol>

pub fn fill_well_known(&mut self)

pub fn fill_actual(&mut self, cfg: &CrateConfig)

Trait Implementations

impl<T> Default for CheckCfg<T>

fn default() -> Self

Auto Trait Implementations

impl<T> RefUnwindSafe for CheckCfg<T> where
T: RefUnwindSafe,

impl<T> Send for CheckCfg<T> where
T: Send,

impl<T> Sync for CheckCfg<T> where
T: Sync,

impl<T> Unpin for CheckCfg<T> where
T: Unpin,

impl<T> UnwindSafe for CheckCfg<T> where
T: UnwindSafe,

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where
T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where
T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where
U: From<T>,

pub fn into(self) -> U

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Layout

Struct rustc_session::config::CheckCfg

Fields

Implementations

impl<T> CheckCfg<T>

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

impl CheckCfg<Symbol>

pub fn fill_well_known(&mut self)

pub fn fill_actual(&mut self, cfg: &CrateConfig)

Trait Implementations

impl<T> Default for CheckCfg<T>

fn default() -> Self

Auto Trait Implementations

impl<T> RefUnwindSafe for CheckCfg<T> where T: RefUnwindSafe,

impl<T> Send for CheckCfg<T> where T: Send,

impl<T> Sync for CheckCfg<T> where T: Sync,

impl<T> Unpin for CheckCfg<T> where T: Unpin,

impl<T> UnwindSafe for CheckCfg<T> where T: UnwindSafe,

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Layout

impl<T> RefUnwindSafe for CheckCfg<T> where
T: RefUnwindSafe,

impl<T> Send for CheckCfg<T> where
T: Send,

impl<T> Sync for CheckCfg<T> where
T: Sync,

impl<T> Unpin for CheckCfg<T> where
T: Unpin,

impl<T> UnwindSafe for CheckCfg<T> where
T: UnwindSafe,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,