Struct SubscriptionBuilder

pub struct SubscriptionBuilder { /* private fields */ }

Builder for Subscription.

Implementations

impl SubscriptionBuilder

pub fn topic(&mut self, value: String) -> &mut Self

pub fn qos(&mut self, value: i32) -> &mut Self

pub fn build(&self) -> Result<Subscription, SubscriptionBuilderError>

Builds a new Subscription.

Errors

If a required field has not been initialized.

impl SubscriptionBuilder

pub fn qos_at_most_once(&mut self) -> &mut Self

Set the QoS for this subscription to 0 (at most once).

pub fn qos_at_least_once(&mut self) -> &mut Self

Set the QoS for this subscription to 1 (at least once).

pub fn qos_exactly_once(&mut self) -> &mut Self

Set the QoS for this subscription to 2 (exactly once).

Trait Implementations

impl Clone for SubscriptionBuilder

fn clone(&self) -> SubscriptionBuilder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for SubscriptionBuilder

fn default() -> Self

Returns the “default value” for a type.