Enum glib::value::ValueTypeMismatchOrNoneError

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pub enum ValueTypeMismatchOrNoneError<E: Error> {
    WrongValueType(E),
    UnexpectedNone,
}

Expand description

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

Variants

`WrongValueType(E)`

`UnexpectedNone`

Trait Implementations

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impl<E: Clone + Error> Clone for ValueTypeMismatchOrNoneError<E>

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fn clone(&self) -> ValueTypeMismatchOrNoneError<E>

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

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impl<E: Debug + Error> Debug for ValueTypeMismatchOrNoneError<E>

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

Formats the value using the given formatter. Read more

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impl<E: Error> Display for ValueTypeMismatchOrNoneError<E>

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

Formats the value using the given formatter. Read more

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impl<E: Error> Error for ValueTypeMismatchOrNoneError<E>

1.30.0 · source

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

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

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

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

Provides type based access to context intended for error reports. Read more

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impl<E: Error> From<E> for ValueTypeMismatchOrNoneError<E>

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fn from(err: E) -> Self

Converts to this type from the input type.

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impl<E: PartialEq + Error> PartialEq<ValueTypeMismatchOrNoneError<E>> for ValueTypeMismatchOrNoneError<E>

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

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

1.0.0 · source

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

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impl<E: Eq + Error> Eq for ValueTypeMismatchOrNoneError<E>

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impl<E: Error> StructuralEq for ValueTypeMismatchOrNoneError<E>

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impl<E: Error> StructuralPartialEq for ValueTypeMismatchOrNoneError<E>

Auto Trait Implementations

impl<E> RefUnwindSafe for ValueTypeMismatchOrNoneError<E> where
E: RefUnwindSafe,

impl<E> Send for ValueTypeMismatchOrNoneError<E> where
E: Send,

impl<E> Sync for ValueTypeMismatchOrNoneError<E> where
E: Sync,

impl<E> Unpin for ValueTypeMismatchOrNoneError<E> where
E: Unpin,

impl<E> UnwindSafe for ValueTypeMismatchOrNoneError<E> where
E: UnwindSafe,

Blanket Implementations

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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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

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impl<T> From<!> for T

const: unstable · source

fn from(t: !) -> T

Converts to this type from the input type.

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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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.

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impl<E> Provider for E where
E: Error + ?Sized,

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

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

Data providers should implement this method to provide all values they are able to provide by using demand. Read more

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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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.

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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 glib::value::ValueTypeMismatchOrNoneError

Variants

WrongValueType(E)

UnexpectedNone

Trait Implementations

impl<E: Clone + Error> Clone for ValueTypeMismatchOrNoneError<E>

fn clone(&self) -> ValueTypeMismatchOrNoneError<E>

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

impl<E: Debug + Error> Debug for ValueTypeMismatchOrNoneError<E>

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

impl<E: Error> Display for ValueTypeMismatchOrNoneError<E>

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

impl<E: Error> Error for ValueTypeMismatchOrNoneError<E>

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

fn description(&self) -> &str

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

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

impl<E: Error> From<E> for ValueTypeMismatchOrNoneError<E>

fn from(err: E) -> Self

impl<E: PartialEq + Error> PartialEq<ValueTypeMismatchOrNoneError<E>> for ValueTypeMismatchOrNoneError<E>

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

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

impl<E: Eq + Error> Eq for ValueTypeMismatchOrNoneError<E>

impl<E: Error> StructuralEq for ValueTypeMismatchOrNoneError<E>

impl<E: Error> StructuralPartialEq for ValueTypeMismatchOrNoneError<E>

Auto Trait Implementations

impl<E> RefUnwindSafe for ValueTypeMismatchOrNoneError<E> where E: RefUnwindSafe,

impl<E> Send for ValueTypeMismatchOrNoneError<E> where E: Send,

impl<E> Sync for ValueTypeMismatchOrNoneError<E> where E: Sync,

impl<E> Unpin for ValueTypeMismatchOrNoneError<E> where E: Unpin,

impl<E> UnwindSafe for ValueTypeMismatchOrNoneError<E> where E: UnwindSafe,

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<!> for T

fn from(t: !) -> 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<E> Provider for E where E: Error + ?Sized,

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

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

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>

`WrongValueType(E)`

`UnexpectedNone`

impl<E> RefUnwindSafe for ValueTypeMismatchOrNoneError<E> where
E: RefUnwindSafe,

impl<E> Send for ValueTypeMismatchOrNoneError<E> where
E: Send,

impl<E> Sync for ValueTypeMismatchOrNoneError<E> where
E: Sync,

impl<E> Unpin for ValueTypeMismatchOrNoneError<E> where
E: Unpin,

impl<E> UnwindSafe for ValueTypeMismatchOrNoneError<E> where
E: UnwindSafe,

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<E> Provider for E where
E: Error + ?Sized,

impl<T> ToOwned for T where
T: Clone,

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>,