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RawKey

Struct RawKey 

pub struct RawKey<K>
where K: Key,
{ /* private fields */ }
Expand description

Raw table key.

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impl<K> RawKey<K>
where K: Key,

pub fn new(key: K) -> RawKey<K>

Create new raw key.

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

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

pub fn key(&self) -> Result<K, DatabaseError>

Returns the decoded value.

pub const fn raw_key(&self) -> &Vec<u8> ⓘ

Returns the raw key as seen on the database.

pub fn into_key(self) -> Vec<u8> ⓘ

Consumes Self and returns the inner raw key.

Trait Implementations§

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impl AsRef<[u8]> for RawKey<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<K> Clone for RawKey<K>
where K: Clone + Key,

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fn clone(&self) -> RawKey<K>

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<K> Debug for RawKey<K>
where K: Debug + Key,

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

Formats the value using the given formatter. Read more
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impl<K> Decode for RawKey<K>
where K: Key,

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fn decode(value: &[u8]) -> Result<RawKey<K>, DatabaseError>

Decodes data coming from the database.
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fn decode_owned(value: Vec<u8>) -> Result<RawKey<K>, DatabaseError>

Decodes owned data coming from the database.
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impl<'de, K> Deserialize<'de> for RawKey<K>
where K: Key,

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fn deserialize<__D>( __deserializer: __D, ) -> Result<RawKey<K>, <__D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<K> Encode for RawKey<K>
where K: Key,

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type Encoded = Vec<u8>

Encoded type.
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fn encode(self) -> <RawKey<K> as Encode>::Encoded

Encodes data going into the database.
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impl<K> Eq for RawKey<K>
where K: Eq + Key,

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impl<K> From<K> for RawKey<K>
where K: Key,

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fn from(key: K) -> RawKey<K>

Converts to this type from the input type.
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impl<K> Hash for RawKey<K>
where K: Hash + Key,

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

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

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<K> Ord for RawKey<K>
where K: Ord + Key,

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fn cmp(&self, other: &RawKey<K>) -> 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
1.50.0 (const: unstable) · Source§

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<K> PartialEq for RawKey<K>
where K: PartialEq + Key,

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fn eq(&self, other: &RawKey<K>) -> 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<K> PartialOrd for RawKey<K>
where K: PartialOrd + Key,

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fn partial_cmp(&self, other: &RawKey<K>) -> 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
1.0.0 (const: unstable) · Source§

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

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

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<K> Serialize for RawKey<K>
where K: Key,

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

Serialize this value into the given Serde serializer. Read more
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impl<K> StructuralPartialEq for RawKey<K>
where K: PartialEq + Key,

Auto Trait Implementations§

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impl<K> Freeze for RawKey<K>
where PhantomData<K>: Freeze,

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impl<K> RefUnwindSafe for RawKey<K>

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impl<K> Send for RawKey<K>
where PhantomData<K>: Send,

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impl<K> Sync for RawKey<K>
where PhantomData<K>: Sync,

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impl<K> Unpin for RawKey<K>
where PhantomData<K>: Unpin,

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impl<K> UnsafeUnpin for RawKey<K>

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impl<K> UnwindSafe for RawKey<K>

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> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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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> Key for T
where T: Encode + Decode + Ord + Clone + Serialize + for<'a> Deserialize<'a>,

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impl<T> MaybeDebug for T
where T: Debug,

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impl<T> MaybeSerde for T
where T: Serialize + for<'de> Deserialize<'de>,

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impl<T> NippyJarHeader for T
where T: Send + Sync + Serialize + for<'b> Deserialize<'b> + Debug + 'static,

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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> 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

Layout§

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