Struct glib::value::ValueTypeOrNoneChecker

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pub struct ValueTypeOrNoneChecker<T, C, E>(_);
Expand description

Wrapped Value type checker for optional types.

Trait Implementations§

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impl<'a, T, C, E> ValueTypeChecker for ValueTypeOrNoneChecker<T, C, E>where T: FromValue<'a, Checker = C> + StaticType, C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError<E>>, E: Error + Send + Sized + 'static,

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type Error = E

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fn check(value: &Value) -> Result<(), Self::Error>

Auto Trait Implementations§

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impl<T, C, E> RefUnwindSafe for ValueTypeOrNoneChecker<T, C, E>where C: RefUnwindSafe, E: RefUnwindSafe, T: RefUnwindSafe,

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impl<T, C, E> Send for ValueTypeOrNoneChecker<T, C, E>where C: Send, E: Send, T: Send,

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impl<T, C, E> Sync for ValueTypeOrNoneChecker<T, C, E>where C: Sync, E: Sync, T: Sync,

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impl<T, C, E> Unpin for ValueTypeOrNoneChecker<T, C, E>where C: Unpin, E: Unpin, T: Unpin,

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impl<T, C, E> UnwindSafe for ValueTypeOrNoneChecker<T, C, E>where C: UnwindSafe, E: UnwindSafe, T: 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,

const: unstable · source§

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<T> for T

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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<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.