Enum rustc_passes::stability::AnnotationKind

source · 
enum AnnotationKind {
    Required,
    Prohibited,
    DeprecationProhibited,
    Container,
}

Variants

Required

Annotation is required if not inherited from unstable parents.

Prohibited

Annotation is useless, reject it.

DeprecationProhibited

Deprecation annotation is useless, reject it. (Stability attribute is still required.)

Container

Annotation itself is useless, but it can be propagated to children.

Trait Implementations

This method tests for self and other values to be equal, and is used by ==. Read more
This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.

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: 1 byte

Size for each variant:

  • Required: 0 bytes
  • Prohibited: 0 bytes
  • DeprecationProhibited: 0 bytes
  • Container: 0 bytes