Struct Msg 

pub struct Msg { /* private fields */ }

Implementations

impl Msg

pub fn new() -> Self

Create a new message object, with an unset topic.

Note that a message object without a topic is invalid. set_topic must be called to set a topic to make the message object valid.

pub fn new_topic(topic: &str) -> Result<Self, Error>

Create a new mesage object with a topic.

pub fn get_params(&self) -> &HashMap<String, String>

Get a reference to the internal HashMap.

pub fn set_topic(&mut self, topic: &str) -> Result<(), Error>

Set topic for message.

Overwrites current topic is one has already been set.

pub fn get_topic(&self) -> Option<&str>

Get a reference to the topic string, or None if topic is not been set.

pub fn add_param<T: ToString, U: ToString>(&mut self, key: T, value: U)

Add a parameter to the message.

pub fn add_str<T: ToString, U: ToString>(&mut self, key: T, value: U)

Add a string parameter to the message.

pub fn get_param(&self, key: &str) -> Option<&str>

pub fn get_str(&self, key: &str) -> Option<&str>

pub fn get_int<T: FromStr>(&self, key: &str) -> Result<T, Error>

pub fn serialize(&self) -> Result<Vec<u8>, Error>

pub fn clear(&mut self)

pub fn into_params(self) -> HashMap<String, String>

Consume the Msg buffer and return the internal parameters HashMap.

Trait Implementations

impl Clone for Msg

fn clone(&self) -> Msg

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Msg

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

Formats the value using the given formatter.

impl Default for Msg

fn default() -> Msg

Returns the “default value” for a type.

impl Display for Msg

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

Formats the value using the given formatter.