Struct NullValue

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pub struct NullValue;

Trait Implementations§

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impl Debug for NullValue

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

Formats the value using the given formatter. Read more

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type V = NullValue

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impl Freeze for NullValue

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impl RefUnwindSafe for NullValue

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impl Send for NullValue

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impl Sync for NullValue

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impl Unpin for NullValue

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impl UnwindSafe for NullValue

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,

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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 T
where T: ?Sized,

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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> From<T> for T
where T: View, <T as View>::V: SpecFrom<<T as View>::V>,

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fn ex_from(t: T) -> T

Vest equivalent of std::convert::From::from.

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

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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> Into for T
where T: View, U: View + From<T>, ::V: SpecFrom<<T as View>::V>,

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fn ex_into(self) -> U

Vest equivalent of std::convert::Into::into.

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impl<T, U> SpecTryInto for T
where U: SpecTryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

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

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type Error = Infallible

The type returned in the event of a conversion error.

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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>,

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type Error = >::Error

The type returned in the event of a conversion error.

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

Performs the conversion.

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impl<T, U> TryInto for T
where T: View, U: View + TryFrom<T>, ::V: SpecTryFrom<<T as View>::V>,

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type Error = >::Error

The type returned in the event of a conversion error.

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

Vest equivalent of std::convert::TryInto::try_into.

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impl<T> SpecFrom<T> for T

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Struct NullValueCopy item path

Trait Implementations§

impl Debug for NullValue

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

impl PolyfillClone for NullValue

fn clone(&self) -> Self

impl PolyfillEq for NullValue

fn polyfill_eq(&self, _other: &Self) -> bool

impl View for NullValue

type V = NullValue

Auto Trait Implementations§

impl Freeze for NullValue

impl RefUnwindSafe for NullValue

impl Send for NullValue

impl Sync for NullValue

impl Unpin for NullValue

impl UnwindSafe for NullValue

Blanket Implementations§

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> From<T> for Twhere T: View, <T as View>::V: SpecFrom<<T as View>::V>,

fn ex_from(t: T) -> T

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

fn into(self) -> U

impl<T, U> Into<U> for Twhere T: View, U: View + From<T>, <U as View>::V: SpecFrom<<T as View>::V>,

fn ex_into(self) -> U

impl<T, U> SpecTryInto<U> for Twhere U: SpecTryFrom<T>,

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

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

type Error = Infallible

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

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

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

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

impl<T, U> TryInto<U> for Twhere T: View, U: View + TryFrom<T>, <U as View>::V: SpecTryFrom<<T as View>::V>,

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

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

impl<T> SpecFrom<T> for T

impl<T, U> SpecInto<U> for Twhere U: SpecFrom<T>,

Struct NullValue

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> From<T> for T
where T: View, <T as View>::V: SpecFrom<<T as View>::V>,

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

impl<T, U> Into<U> for T
where T: View, U: View + From<T>, <U as View>::V: SpecFrom<<T as View>::V>,

impl<T, U> SpecTryInto<U> for T
where U: SpecTryFrom<T>,

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

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

impl<T, U> TryInto<U> for T
where T: View, U: View + TryFrom<T>, <U as View>::V: SpecTryFrom<<T as View>::V>,

impl<T, U> SpecInto<U> for T
where U: SpecFrom<T>,