Struct syntax::attr::Stability

pub struct Stability {
    pub level: StabilityLevel,
    pub feature: Symbol,
    pub rustc_depr: Option<RustcDeprecation>,
    pub rustc_const_unstable: Option<RustcConstUnstable>,
}

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

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Represents the #[stable], #[unstable], #[rustc_{deprecated,const_unstable}] attributes.

Fields

level: StabilityLevel

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

feature: Symbol

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

rustc_depr: Option<RustcDeprecation>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

rustc_const_unstable: Option<RustcConstUnstable>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Trait Implementations

impl Encodable for Stability

fn encode<__S: Encoder>(&self, __arg_0: &mut __S) -> Result<(), __S::Error>

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

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impl Decodable for Stability

fn decode<__D: Decoder>(__arg_0: &mut __D) -> Result<Stability, __D::Error>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

impl Clone for Stability

fn clone(&self) -> Stability

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Stability

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl PartialEq for Stability

fn eq(&self, __arg_0: &Stability) -> bool

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

fn ne(&self, __arg_0: &Stability) -> bool

This method tests for !=.

impl Eq for Stability

impl Hash for Stability

fn hash<__H: Hasher>(&self, __arg_0: &mut __H)

Feeds this value into the given [Hasher].

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

Feeds a slice of this type into the given [Hasher].