Enum QrCodeError 

pub enum QrCodeError {
    Generation(String),
    Encoding(String),
    Io(String),
}

二维码生成错误 — 对齐 PHP endroid\qr-code 异常

Variants

Generation(String)

二维码生成失败（数据过长、版本不兼容等）

Encoding(String)

数据编码失败（空数据、无效字符等）

Io(String)

IO 错误（PNG 编码写入失败等）

Trait Implementations

impl Debug for QrCodeError

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

Formats the value using the given formatter.

impl Display for QrCodeError

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

Formats the value using the given formatter.

impl Error for QrCodeError

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 QrCodeError

fn from(err: Error) -> Self

Converts to this type from the input type.

impl From<ImageError> for QrCodeError

fn from(err: ImageError) -> Self

Converts to this type from the input type.