Struct core::any::tags::MaybeSizedValue

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pub struct MaybeSizedValue<T: ?Sized + 'static>(PhantomData<T>);
Expand description

Type-based tag similar to Value but which may be unsized (i.e., has a ?Sized bound).

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§0: PhantomData<T>

Trait Implementations§

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impl<T: Debug + ?Sized + 'static> Debug for MaybeSizedValue<T>

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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<'a, T: ?Sized + 'static> MaybeSizedType<'a> for MaybeSizedValue<T>

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type Reified = T

Auto Trait Implementations§

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impl<T: ?Sized> Freeze for MaybeSizedValue<T>

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impl<T: ?Sized> RefUnwindSafe for MaybeSizedValue<T>where T: RefUnwindSafe,

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impl<T: ?Sized> Send for MaybeSizedValue<T>where T: Send,

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impl<T: ?Sized> Sync for MaybeSizedValue<T>where T: Sync,

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impl<T: ?Sized> Unpin for MaybeSizedValue<T>where T: Unpin,

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impl<T: ?Sized> UnwindSafe for MaybeSizedValue<T>where 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,

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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,

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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, U> Into<U> for Twhere 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> SizedTypeProperties for T

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const IS_ZST: bool = _

🔬This is a nightly-only experimental API. (sized_type_properties)
true if this type requires no storage. false if its size is greater than zero. 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.
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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.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.