Enum MessageConversionError

pub enum MessageConversionError<DE> {
    PayloadDeserializationError(DE),
    TopicParameterMissing {
        param: String,
        position: usize,
    },
    TopicParameterParseError {
        param: String,
        source: Box<dyn Error + Sync + Send>,
    },
}

Errors that occur during message conversion from MQTT topics.

Variants

PayloadDeserializationError(DE)

Failed to deserialize message payload

TopicParameterMissing

Topic parameter expected but not found

Fields

param: String

Parameter name

position: usize

Wildcard position in pattern

TopicParameterParseError

Topic parameter found but couldn’t parse to target type

Fields

param: String

Parameter name

source: Box<dyn Error + Sync + Send>

Parse error details

Trait Implementations

impl<DE> Debug for MessageConversionError<DE>

where DE: Debug,

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

Formats the value using the given formatter.

impl<DE> Display for MessageConversionError<DE>

where DE: Display,

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

Formats the value using the given formatter.

impl<DE> Error for MessageConversionError<DE>

where MessageConversionError<DE>: Debug + Display,

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.