Struct rustc_attr::builtin::Deprecation

pub struct Deprecation {
    pub since: Option<Symbol>,
    pub note: Option<Symbol>,
    pub suggestion: Option<Symbol>,
    pub is_since_rustc_version: bool,
}

Fields

since: Option<Symbol>

note: Option<Symbol>

The note to issue a reason.

suggestion: Option<Symbol>

A text snippet used to completely replace any use of the deprecated item in an expression.

This is currently unstable.

is_since_rustc_version: bool

Whether to treat the since attribute as being a Rust version identifier (rather than an opaque string).

Trait Implementations

impl Clone for Deprecation

fn clone(&self) -> Deprecation

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Deprecation

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

Formats the value using the given formatter.

impl<__D: Decoder> Decodable<__D> for Deprecation

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

impl<__E: Encoder> Encodable<__E> for Deprecation

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

impl<__CTX> HashStable<__CTX> for Deprecation where
    __CTX: HashStableContext, 

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

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: 16 bytes