Struct rustc_attr::builtin::ConstStability[][src]

pub struct ConstStability {
    pub level: StabilityLevel,
    pub feature: Symbol,
    pub promotable: bool,
}

Represents the #[rustc_const_unstable] and #[rustc_const_stable] attributes.

Fields

level: StabilityLevelfeature: Symbolpromotable: bool

whether the function has a #[rustc_promotable] attribute

Trait Implementations

impl Clone for ConstStability[src]

fn clone(&self) -> ConstStability[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Debug for ConstStability[src]

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

Formats the value using the given formatter. Read more

impl<__D: Decoder> Decodable<__D> for ConstStability[src]

fn decode(__decoder: &mut __D) -> Result<Self, <__D as Decoder>::Error>[src]

impl<__E: Encoder> Encodable<__E> for ConstStability[src]

fn encode(&self, __encoder: &mut __E) -> Result<(), <__E as Encoder>::Error>[src]

impl Hash for ConstStability[src]

fn hash<__H: Hasher>(&self, state: &mut __H)[src]

Feeds this value into the given Hasher. Read more

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher
1.3.0[src]

Feeds a slice of this type into the given Hasher. Read more

impl<__CTX> HashStable<__CTX> for ConstStability where
    __CTX: HashStableContext
[src]

fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)[src]

impl PartialEq<ConstStability> for ConstStability[src]

fn eq(&self, other: &ConstStability) -> bool[src]

This method tests for self and other values to be equal, and is used by ==. Read more

fn ne(&self, other: &ConstStability) -> bool[src]

This method tests for !=.

impl Copy for ConstStability[src]

impl Eq for ConstStability[src]

impl StructuralEq for ConstStability[src]

impl StructuralPartialEq for ConstStability[src]

Auto Trait Implementations

impl RefUnwindSafe for ConstStability

impl Send for ConstStability

impl Sync for ConstStability

impl Unpin for ConstStability

impl UnwindSafe for ConstStability

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> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

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

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)[src]

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

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.