Enum TopicParseError

pub enum TopicParseError {
    Empty,
    WildcardInTopicName(String),
    WildcardNotAlone(String),
    WildcardNotLast(String),
    SharedSubscriptionNotAllowed(String),
    InvalidShareName(String),
    SharedSubscriptionTooShort(String),
}

Error when parsing a topic name or topic filter

Variants

Empty

The topic name or topic filter is empty

WildcardInTopicName(String)

The topic name contains a wildcard character (# or +)

WildcardNotAlone(String)

A wildcard character (# or +) does not occupy an entire level of the topic filter

WildcardNotLast(String)

A multi-level wildcard (#) is not the last character of the topic filter

SharedSubscriptionNotAllowed(String)

The topic name’s first level is $share when it is not a shared subscription topic filter

InvalidShareName(String)

The share name of a shared subscription topic filter is empty or contains a wildcard character (# or +)

SharedSubscriptionTooShort(String)

A shared subscription topic filter must contain at least three levels

Trait Implementations

impl Debug for TopicParseError

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

Formats the value using the given formatter.

impl Display for TopicParseError

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

Formats the value using the given formatter.

impl Error for TopicParseError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

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

Provides type-based access to context intended for error reports.