Enum qrcode_generator::QRCodeError

source · [−]

pub enum QRCodeError {
    DataTooLong,
    IOError(Error),
    ImageError(ImageError),
    ImageSizeTooSmall,
    ImageSizeTooLarge,
}

Expand description

Errors when encoding QR code.

Variants

`DataTooLong`

`IOError(Error)`

`ImageError(ImageError)`

`ImageSizeTooSmall`

`ImageSizeTooLarge`

Trait Implementations

source

impl Debug for QRCodeError

source

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

Formats the value using the given formatter. Read more

source

impl Display for QRCodeError

source

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

Formats the value using the given formatter. Read more

source

impl Error for QRCodeError

1.30.0 · source

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

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

source

fn backtrace(&self) -> Option<&Backtrace>

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

Returns a stack backtrace, if available, of where this error occurred. Read more

1.0.0 · source

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

source

impl From<Error> for QRCodeError

source

fn from(error: Error) -> Self

Converts to this type from the input type.

source

impl From<ImageError> for QRCodeError

source

fn from(error: ImageError) -> Self

Converts to this type from the input type.

Auto Trait Implementations

impl !RefUnwindSafe for QRCodeError

impl Send for QRCodeError

impl Sync for QRCodeError

impl Unpin for QRCodeError

impl !UnwindSafe for QRCodeError

Blanket Implementations

source

impl<T> Any for T where
T: 'static + ?Sized,

source

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

source

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

source

impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

source

impl<T> ToString for T where
T: Display + ?Sized,

source

default fn to_string(&self) -> String

Converts the given value to a String. Read more

source

impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

source

impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Enum qrcode_generator::QRCodeError

Variants

DataTooLong

IOError(Error)

ImageError(ImageError)

ImageSizeTooSmall

ImageSizeTooLarge

Trait Implementations

impl Debug for QRCodeError

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

impl Display for QRCodeError

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

impl Error for QRCodeError

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

fn backtrace(&self) -> Option<&Backtrace>

fn description(&self) -> &str

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

impl From<Error> for QRCodeError

fn from(error: Error) -> Self

impl From<ImageError> for QRCodeError

fn from(error: ImageError) -> Self

Auto Trait Implementations

impl !RefUnwindSafe for QRCodeError

impl Send for QRCodeError

impl Sync for QRCodeError

impl Unpin for QRCodeError

impl !UnwindSafe for QRCodeError

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> Pointable for T

const ALIGN: usize

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T> ToString for T where T: Display + ?Sized,

default fn to_string(&self) -> String

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

`DataTooLong`

`IOError(Error)`

`ImageError(ImageError)`

`ImageSizeTooSmall`

`ImageSizeTooLarge`

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToString for T where
T: Display + ?Sized,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,