Struct controlgroup::Device

pub struct Device {
    pub major: DeviceNumber,
    pub minor: DeviceNumber,
}

Linux device number.

Device implements FromStr and Display. You can convert a string into a Device and vice versa. parse returns an error with kind ErrorKind::Parse if failed.

use controlgroup::{Device, DeviceNumber};

let dev = "8:16".parse::<Device>().unwrap();
assert_eq!(dev, Device { major: DeviceNumber::Number(8), minor: DeviceNumber::Number(16) });

let dev = "8:*".parse::<Device>().unwrap();
assert_eq!(dev, Device { major: DeviceNumber::Number(8), minor: DeviceNumber::Any });

use controlgroup::{Device, DeviceNumber};

let dev = Device { major: DeviceNumber::Number(8), minor: DeviceNumber::Number(16) };
assert_eq!(dev.to_string(), "8:16");

let dev = Device { major: DeviceNumber::Number(8), minor: DeviceNumber::Any };
assert_eq!(dev.to_string(), "8:*");

Device also implements From<[u16; 2]> and From<[DeviceNumber; 2]>.

use controlgroup::{Device, DeviceNumber};

assert_eq!(
    Device::from([8, 16]),
    Device { major: DeviceNumber::Number(8), minor: DeviceNumber::Number(16) }
);

assert_eq!(
    Device::from([DeviceNumber::Number(1), DeviceNumber::Any]),
    Device { major: DeviceNumber::Number(1), minor: DeviceNumber::Any }
);

Fields

major: DeviceNumber

Major number.

minor: DeviceNumber

Minor number.

Trait Implementations

impl Eq for Device

impl Clone for Device

fn clone(&self) -> Device

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialEq<Device> for Device

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl From<[u16; 2]> for Device

fn from(n: [u16; 2]) -> Self

Performs the conversion.

impl From<[DeviceNumber; 2]> for Device

fn from(n: [DeviceNumber; 2]) -> Self

Performs the conversion.

impl Copy for Device

impl Hash for Device

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

Feeds this value into the given [Hasher].

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

Feeds a slice of this type into the given [Hasher].

impl Debug for Device

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

Formats the value using the given formatter.

impl Display for Device

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

Formats the value using the given formatter.

impl FromStr for Device

type Err = Error

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self>

Parses a string s to return a value of this type.