Enum QoS 

pub enum QoS {
    AtMostOnce,
    AtLeastOnce,
    ExactlyOnce,
}

MQTT Quality of Service level.

Variants

AtMostOnce

QoS 0 — fire and forget, no acknowledgement.

AtLeastOnce

QoS 1 — acknowledged delivery, may be duplicated.

ExactlyOnce

QoS 2 — exactly-once delivery via a four-part handshake.

Implementations

impl QoS

pub fn as_u8(self) -> u8

pub fn from_u8(v: u8) -> Option<QoS>

Trait Implementations

impl Clone for QoS

fn clone(&self) -> QoS

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for QoS

impl Debug for QoS

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

Formats the value using the given formatter.

impl Eq for QoS

impl Hash for QoS

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 Ord for QoS

fn cmp(&self, other: &QoS) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to)

Restrict a value to a certain range.

impl PartialEq for QoS

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for QoS

fn partial_cmp(&self, other: &QoS) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for QoS