Enum Ev3Error

pub enum Ev3Error {
    InternalError {
        msg: String,
    },
    NotConnected {
        device: String,
        port: Option<String>,
    },
    MultipleMatches {
        device: String,
        ports: Vec<String>,
    },
}

Custom error type for internal errors.

Variants

InternalError

Internal error with error msg.

Fields

msg: String

Original error message.

NotConnected

No matching device found.

Fields

device: String

Corresponding device

port: Option<String>

Device was expected to be on this port (None if no port was specified)

MultipleMatches

More than one matching device found.

Fields

device: String

Corresponding device

ports: Vec<String>

Devices of the requested type were found on this ports.

Trait Implementations

impl Debug for Ev3Error

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

Formats the value using the given formatter.

impl Display for Ev3Error

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

Formats the value using the given formatter.

impl Error for Ev3Error

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.

impl From<Error> for Ev3Error

fn from(err: Error) -> Self

Converts to this type from the input type.

impl From<FramebufferError> for Ev3Error

Available on crate feature screen only.

fn from(err: FramebufferError) -> Self

Converts to this type from the input type.

impl From<FromUtf8Error> for Ev3Error

fn from(err: FromUtf8Error) -> Self

Converts to this type from the input type.

impl From<ParseIntError> for Ev3Error

fn from(err: ParseIntError) -> Self

Converts to this type from the input type.