Struct Capabilities 

pub struct Capabilities<'a> {
    pub uses: &'a [Use],
    pub demands: &'a [Demand],
}

Everything one application asks of a device.

Fields

uses: &'a [Use]

The services the application uses.

demands: &'a [Demand]

The hardware the application cannot run without.

Implementations

impl Capabilities<'_>

pub const NONE: Capabilities<'static>

An application that asks for nothing.

pub fn has(&self, service: Service) -> bool

Whether the application declared this service.

pub fn reason_for(&self, service: Service) -> Option<&'static str>

The sentence declared for a service, if it has one.

Trait Implementations

impl<'a> Clone for Capabilities<'a>

fn clone(&self) -> Capabilities<'a>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Copy for Capabilities<'a>

impl<'a> Debug for Capabilities<'a>

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

Formats the value using the given formatter.

impl<'a> Eq for Capabilities<'a>

impl<'a> PartialEq for Capabilities<'a>

fn eq(&self, other: &Capabilities<'a>) -> bool

Equality operator ==.

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

Inequality operator !=.

impl<'a> StructuralPartialEq for Capabilities<'a>