Enum glib::value::ValueTypeMismatchOrNoneError

pub enum ValueTypeMismatchOrNoneError {
    WrongValueType(ValueTypeMismatchError),
    UnexpectedNone,
}

An error returned from the get function on a Value for optional types.

Variants

WrongValueType(ValueTypeMismatchError)

UnexpectedNone

Trait Implementations

impl Clone for ValueTypeMismatchOrNoneError

fn clone(&self) -> ValueTypeMismatchOrNoneError

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ValueTypeMismatchOrNoneError

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

Formats the value using the given formatter.

impl Display for ValueTypeMismatchOrNoneError

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

Formats the value using the given formatter.

impl Error for ValueTypeMismatchOrNoneError

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

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

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

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

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

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

impl From<ValueTypeMismatchError> for ValueTypeMismatchOrNoneError

fn from(err: ValueTypeMismatchError) -> Self

Performs the conversion.

impl PartialEq<ValueTypeMismatchOrNoneError> for ValueTypeMismatchOrNoneError

fn eq(&self, other: &ValueTypeMismatchOrNoneError) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &ValueTypeMismatchOrNoneError) -> bool

This method tests for !=.

impl Eq for ValueTypeMismatchOrNoneError

impl StructuralEq for ValueTypeMismatchOrNoneError

impl StructuralPartialEq for ValueTypeMismatchOrNoneError