Enum Availability 

pub enum Availability {
    Available,
    Prompt,
    Unsupported(&'static str),
}

Whether a feature can be used on a target.

Variants

Available

Prompt

Usable after a user prompt (browser permission, macOS TCC).

Unsupported(&'static str)

Never on this target; the reason is user-facing.

Trait Implementations

impl Clone for Availability

fn clone(&self) -> Availability

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Availability

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

Formats the value using the given formatter.

impl Hash for Availability

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Availability

fn eq(&self, other: &Availability) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for Availability

impl Eq for Availability

impl StructuralPartialEq for Availability