Struct rustc_attr::ConstStability
source · pub struct ConstStability {
pub level: StabilityLevel,
pub feature: Symbol,
pub promotable: bool,
}
Expand description
Represents the #[rustc_const_unstable]
and #[rustc_const_stable]
attributes.
Fields§
§level: StabilityLevel
§feature: Symbol
§promotable: bool
whether the function has a #[rustc_promotable]
attribute
Implementations§
source§impl ConstStability
impl ConstStability
pub fn is_const_unstable(&self) -> bool
pub fn is_const_stable(&self) -> bool
Trait Implementations§
source§impl Clone for ConstStability
impl Clone for ConstStability
source§fn clone(&self) -> ConstStability
fn clone(&self) -> ConstStability
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for ConstStability
impl Debug for ConstStability
source§impl<__D: Decoder> Decodable<__D> for ConstStability
impl<__D: Decoder> Decodable<__D> for ConstStability
source§impl<__E: Encoder> Encodable<__E> for ConstStability
impl<__E: Encoder> Encodable<__E> for ConstStability
source§impl Hash for ConstStability
impl Hash for ConstStability
source§impl<__CTX> HashStable<__CTX> for ConstStabilitywhere
__CTX: HashStableContext,
impl<__CTX> HashStable<__CTX> for ConstStabilitywhere __CTX: HashStableContext,
fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)
source§impl PartialEq<ConstStability> for ConstStability
impl PartialEq<ConstStability> for ConstStability
source§fn eq(&self, other: &ConstStability) -> bool
fn eq(&self, other: &ConstStability) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.impl Copy for ConstStability
impl Eq for ConstStability
impl StructuralEq for ConstStability
impl StructuralPartialEq for ConstStability
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§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
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: 24 bytes