pub enum GlibNoneOrInvalidError<I: Error> {
    Invalid(I),
    None,
}
Expand description

Error type for TryFromGlib when the Glib value can be None or invalid.

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Invalid(I)

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None

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impl<I: Error> GlibNoneOrInvalidError<I>

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pub fn none() -> Self

Builds the None variant.

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pub fn is_none(&self) -> bool

Returns true if self is the None variant.

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pub fn is_invalid(&self) -> bool

Returns true if self is the Invalid variant.

Trait Implementations§

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impl<I: Debug + Error> Debug for GlibNoneOrInvalidError<I>

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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<I: Error> Display for GlibNoneOrInvalidError<I>

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

Formats the value using the given formatter. Read more
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impl<I: Error> Error for GlibNoneOrInvalidError<I>

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()
1.0.0 · source§

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>(&'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. Read more
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impl<I: Error> From<I> for GlibNoneOrInvalidError<I>

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fn from(invalid: I) -> Self

Converts to this type from the input type.
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impl<I: PartialEq + Error> PartialEq<GlibNoneOrInvalidError<I>> for GlibNoneOrInvalidError<I>

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fn eq(&self, other: &GlibNoneOrInvalidError<I>) -> bool

This method tests for self and other values to be equal, and is used by ==.
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.
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impl<I: Eq + Error> Eq for GlibNoneOrInvalidError<I>

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impl<I: Error> StructuralEq for GlibNoneOrInvalidError<I>

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impl<I: Error> StructuralPartialEq for GlibNoneOrInvalidError<I>

Auto Trait Implementations§

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impl<I> RefUnwindSafe for GlibNoneOrInvalidError<I>where I: RefUnwindSafe,

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impl<I> Send for GlibNoneOrInvalidError<I>where I: Send,

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impl<I> Sync for GlibNoneOrInvalidError<I>where I: Sync,

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impl<I> Unpin for GlibNoneOrInvalidError<I>where I: Unpin,

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impl<I> UnwindSafe for GlibNoneOrInvalidError<I>where I: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere 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<U> for Twhere 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 Ewhere E: Error + ?Sized,

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fn provide<'a>(&'a self, demand: &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> ToString for Twhere 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<U> for Twhere U: Into<T>,

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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<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.