Struct Deprecation

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

Fields

since: DeprecatedSince

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.

Implementations

impl Deprecation

pub fn is_in_effect(&self) -> bool

Whether an item marked with #[deprecated(since = “X”)] is currently deprecated (i.e., whether X is not greater than the current rustc version).

pub fn is_since_rustc_version(&self) -> bool

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: SpanDecoder> Decodable<__D> for Deprecation

fn decode(__decoder: &mut __D) -> Self

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

fn encode(&self, __encoder: &mut __E)

impl<__CTX> HashStable<__CTX> for Deprecation

where __CTX: HashStableContext,

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

impl Copy for Deprecation

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