#[non_exhaustive]pub enum Availability {
Supported,
Unavailable {
reason: UnavailableReason,
},
Unknown {
error: Error,
},
}Expand description
Capability availability, distinct from device or recording permission.
Variants (Non-exhaustive)§
This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
Supported
Implemented and any platform prerequisite checked successfully.
A known prerequisite is absent.
Unknown
The prerequisite could not be determined.
Trait Implementations§
Source§impl Clone for Availability
impl Clone for Availability
Source§impl Debug for Availability
impl Debug for Availability
impl Eq for Availability
Source§impl PartialEq for Availability
impl PartialEq for Availability
impl StructuralPartialEq for Availability
Auto Trait Implementations§
impl Freeze for Availability
impl RefUnwindSafe for Availability
impl Send for Availability
impl Sync for Availability
impl Unpin for Availability
impl UnsafeUnpin for Availability
impl UnwindSafe for Availability
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