Enum RetainHandling 

pub enum RetainHandling {
    OnSubscribe = 0,
    OnFirstSubscribe = 1,
    DontSend = 2,
}

This option specifies whether retained messages are sent when the subscription is established;

Variants

OnSubscribe = 0

Send retained messages at the time of the subscribe

OnFirstSubscribe = 1

Send retained messages at the time of the first subscribe

DontSend = 2

Don’t send retained messages

Trait Implementations

impl Clone for RetainHandling

fn clone(&self) -> RetainHandling

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RetainHandling

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

Formats the value using the given formatter.

impl PartialEq for RetainHandling

fn eq(&self, other: &RetainHandling) -> 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 TryFrom<u8> for RetainHandling

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: u8) -> Result<Self, Self::Error>

Performs the conversion.

impl Copy for RetainHandling

impl Eq for RetainHandling

impl StructuralPartialEq for RetainHandling