Struct qrcodegen::DataTooLong

pub struct DataTooLong(_);

The error type when the supplied data does not fit any QR Code version.

Ways to handle this exception include:

• Decrease the error correction level if it was greater than QrCodeEcc::Low.
• If the encode_segments_advanced() function was called, then increase the maxversion argument if it was less than QrCode_MAX_VERSION. (This advice does not apply to the other factory functions because they search all versions up to QrCode_MAX_VERSION.)
• Split the text data into better or optimal segments in order to reduce the number of bits required.
• Change the text or binary data to be shorter.
• Change the text to fit the character set of a particular segment mode (e.g. alphanumeric).
• Propagate the error upward to the caller/user.

Trait Implementations

impl Clone for DataTooLong

fn clone(&self) -> DataTooLong

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for DataTooLong

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

Formats the value using the given formatter.

impl Display for DataTooLong

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

Formats the value using the given formatter.

impl Error for DataTooLong

fn description(&self) -> &str

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

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

The lower-level source of this error, if any.

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

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

fn provide<'a>(&'a self, demand: &mut Demand<'a>)

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

Provides type based access to context intended for error reports.