Enum rustc_feature::AttributeGate
source · pub enum AttributeGate {
Gated(Stability, Symbol, &'static str, fn(_: &Features) -> bool),
Ungated,
}
Variants§
Gated(Stability, Symbol, &'static str, fn(_: &Features) -> bool)
Is gated by a given feature gate, reason and function to check if enabled
Ungated
Ungated attribute, can be used on all release channels
Implementations§
source§impl AttributeGate
impl AttributeGate
fn is_deprecated(&self) -> bool
Trait Implementations§
source§impl Clone for AttributeGate
impl Clone for AttributeGate
source§fn clone(&self) -> AttributeGate
fn clone(&self) -> AttributeGate
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 AttributeGate
impl Debug for AttributeGate
impl Copy for AttributeGate
Auto Trait Implementations§
impl RefUnwindSafe for AttributeGate
impl Send for AttributeGate
impl Sync for AttributeGate
impl Unpin for AttributeGate
impl UnwindSafe for AttributeGate
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: 64 bytes
Size for each variant:
Gated
: 60 bytesUngated
: 0 bytes