Enum rustc_middle::middle::stability::EvalResult[−][src]

pub enum EvalResult {
    Allow,
    Deny {
        feature: Symbol,
        reason: Option<Symbol>,
        issue: Option<NonZeroU32>,
        is_soft: bool,
    },
    Unmarked,
}
Expand description

Result of TyCtxt::eval_stability.

Variants

Allow
Expand description

We can use the item because it is stable or we provided the corresponding feature gate.

Deny
Expand description

We cannot use the item because it is unstable and we did not provide the corresponding feature gate.

Show fields

Fields of Deny

feature: Symbolreason: Option<Symbol>issue: Option<NonZeroU32>is_soft: bool
Unmarked
Expand description

The item does not have the #[stable] or #[unstable] marker assigned.

Auto Trait Implementations

impl RefUnwindSafe for EvalResult

impl Send for EvalResult

impl Sync for EvalResult

impl Unpin for EvalResult

impl UnwindSafe for EvalResult

Blanket Implementations

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

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> MaybeResult<T> for T[src]

type Error = !

pub fn from(Result<T, <T as MaybeResult<T>>::Error>) -> T[src]

pub fn to_result(self) -> Result<T, <T as MaybeResult<T>>::Error>[src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T> WithConstness for T[src]

fn with_constness(self, constness: Constness) -> ConstnessAnd<Self>[src]

fn with_const(self) -> ConstnessAnd<Self>[src]

fn without_const(self) -> ConstnessAnd<Self>[src]

impl<'a, T> Captures<'a> for T where
    T: ?Sized, [src]