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RawValue

Struct RawValue 

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pub struct RawValue<V: Value> { /* private fields */ }
Expand description

Raw table value.

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impl<V: Value> RawValue<V>

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pub fn new(value: V) -> Self

Create new raw value.

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pub const fn from_vec(vec: Vec<u8>) -> Self

Creates a raw value from an existing Vec. Useful when we already have the encoded value.

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pub fn value(&self) -> Result<V, DatabaseError>

Returns the decompressed value.

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pub fn raw_value(&self) -> &[u8] ⓘ

Returns the raw value as seen on the database.

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pub fn into_value(self) -> Vec<u8> ⓘ

Consumes Self and returns the inner raw value.

Trait Implementations§

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impl AsRef<[u8]> for RawValue<Vec<u8>>

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fn as_ref(&self) -> &[u8] ⓘ

Converts this type into a shared reference of the (usually inferred) input type.
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impl<V: Clone + Value> Clone for RawValue<V>

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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<V: Value> Compress for RawValue<V>

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type Compressed = Vec<u8>

Compressed type.
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fn uncompressable_ref(&self) -> Option<&[u8]>

If the type cannot be compressed, return its inner reference as Some(self.as_ref())
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fn compress(self) -> Self::Compressed

Compresses data going into the database.
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fn compress_to_buf<B: BufMut + AsMut<[u8]>>(&self, buf: &mut B)

Compresses data to a given buffer.
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impl<V: Debug + Value> Debug for RawValue<V>

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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<V: Value> Decompress for RawValue<V>

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fn decompress(value: &[u8]) -> Result<Self, DecompressError>

Decompresses data coming from the database.
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fn decompress_owned(value: Vec<u8>) -> Result<Self, DecompressError>

Decompresses owned data coming from the database.
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impl<V: Eq + Value> Eq for RawValue<V>

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impl<V: Value> From<V> for RawValue<V>

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fn from(value: V) -> Self

Converts to this type from the input type.
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impl<V: Hash + Value> Hash for RawValue<V>

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<V: Ord + Value> Ord for RawValue<V>

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fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 (const: unstable) · Source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 (const: unstable) · Source§

fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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fn clamp_to<R>(self, range: R) -> Self
where Self: Sized, R: ClampBounds<Self>,

🔬This is a nightly-only experimental API. (clamp_to #147781)
Restrict a value to a certain range. Read more
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impl<V: PartialEq + Value> PartialEq for RawValue<V>

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl<V: PartialOrd + Value> PartialOrd for RawValue<V>

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fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
1.0.0 (const: unstable) · Source§

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

Tests less than (for self and other) and is used by the < operator. Read more
1.0.0 (const: unstable) · Source§

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

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl<V: Value> Serialize for RawValue<V>

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl<V: PartialEq + Value> StructuralPartialEq for RawValue<V>

Auto Trait Implementations§

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impl<V> Freeze for RawValue<V>
where PhantomData<V>: Freeze,

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impl<V> RefUnwindSafe for RawValue<V>

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impl<V> Send for RawValue<V>
where PhantomData<V>: Send,

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impl<V> Sync for RawValue<V>
where PhantomData<V>: Sync,

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impl<V> Unpin for RawValue<V>
where PhantomData<V>: Unpin,

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impl<V> UnsafeUnpin for RawValue<V>

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impl<V> UnwindSafe for RawValue<V>

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, U> AsByteSlice<T> for U
where T: ToByteSlice, U: AsRef<[T]> + ?Sized,

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fn as_byte_slice(&self) -> &[u8] ⓘ

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impl<U> AsSliceOf for U
where U: AsRef<[u8]> + ?Sized,

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fn as_slice_of<T>(&self) -> Result<&[T], Error>
where T: FromByteSlice,

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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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<Q, K> Comparable<K> for Q
where Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

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fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. 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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> MaybeDebug for T
where T: Debug,

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impl<T> NonStaticAny for T
where T: ?Sized,

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fn type_id(&self) -> TypeId

Returns the lifetime-erased type ID of self.
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToHex for T
where T: AsRef<[u8]>,

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fn encode_hex<U>(&self) -> U
where U: FromIterator<char>,

👎Deprecated:

use ToHexExt instead

Encode the hex strict representing self into the result. Lower case letters are used (e.g. f9b4ca).
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fn encode_hex_upper<U>(&self) -> U
where U: FromIterator<char>,

👎Deprecated:

use ToHexExt instead

Encode the hex strict representing self into the result. Upper case letters are used (e.g. F9B4CA).
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impl<T> ToHex for T
where T: AsRef<[u8]>,

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fn encode_hex<U>(&self) -> U
where U: FromIterator<char>,

Encode the hex strict representing self into the result. Lower case letters are used (e.g. f9b4ca)
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fn encode_hex_upper<U>(&self) -> U
where U: FromIterator<char>,

Encode the hex strict representing self into the result. Upper case letters are used (e.g. F9B4CA)
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impl<T> ToHexExt for T
where T: AsRef<[u8]>,

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fn encode_hex(&self) -> String

Encode the hex strict representing self into the result. Lower case letters are used (e.g. f9b4ca).
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fn encode_hex_upper(&self) -> String

Encode the hex strict representing self into the result. Upper case letters are used (e.g. F9B4CA).
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fn encode_hex_with_prefix(&self) -> String

Encode the hex strict representing self into the result with prefix 0x. Lower case letters are used (e.g. 0xf9b4ca).
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fn encode_hex_upper_with_prefix(&self) -> String

Encode the hex strict representing self into the result with prefix 0X. Upper case letters are used (e.g. 0xF9B4CA).
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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 = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> Value for T

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more

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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 24 bytes