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## TryReserveErrorKind

# Enum TryReserveErrorKind

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    pub enum TryReserveErrorKind {
        CapacityOverflow,
        AllocError {
            layout: Layout,
            /* private fields */
        },
    }

🔬This is a nightly-only experimental API. (`try_reserve_kind` #48043)
Expand description

Details of the allocation that caused a `TryReserveError`

## Variants§

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### CapacityOverflow

🔬This is a nightly-only experimental API. (`try_reserve_kind` #48043)

Error due to the computed capacity exceeding the collection’s maximum (usually `isize::MAX` bytes).

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### AllocError

🔬This is a nightly-only experimental API. (`try_reserve_kind` #48043)

The memory allocator returned an error

#### Fields

§`layout: Layout`
🔬This is a nightly-only experimental API. (`try_reserve_kind` #48043)

The layout of allocation request that failed

## Trait Implementations§

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### impl Clone for TryReserveErrorKind

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#### fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from `source`. Read more
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### impl Debug for TryReserveErrorKind

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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 Eq for TryReserveErrorKind

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### impl From<LayoutError> for TryReserveErrorKind

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#### fn from(_: LayoutError) -> Self

Always evaluates to `TryReserveErrorKind::CapacityOverflow`.

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### impl From<TryReserveErrorKind> for TryReserveError

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#### fn from(kind: TryReserveErrorKind) -> Self

Converts to this type from the input type.
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### impl PartialEq for TryReserveErrorKind

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#### fn eq(&self, other: &TryReserveErrorKind) -> bool

Tests for `self` and `other` values to be equal, and is used by `==`.
1.0.0 (const: unstable) · Source§

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

Tests for `!=`. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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### impl StructuralPartialEq for TryReserveErrorKind

## Auto Trait Implementations§

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### impl Freeze for TryReserveErrorKind

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### impl RefUnwindSafe for TryReserveErrorKind

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### impl Send for TryReserveErrorKind

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### impl Sync for TryReserveErrorKind

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### impl Unpin for TryReserveErrorKind

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### impl UnsafeUnpin for TryReserveErrorKind

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### impl UnwindSafe for TryReserveErrorKind

## 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> CloneToUninit for T
where T: Clone,

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#### unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (`clone_to_uninit` #126799)
Performs copy-assignment from `self` to `dest`. 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 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> ToOwned for T
where T: Clone,

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#### 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, U> TryFrom<U> 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<U>>::Error>

Performs the conversion.
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### impl<T, U> TryInto<U> for T
where 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.