Enum launchdarkly_server_sdk::StorageItem

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pub enum StorageItem<T> {
    Item(T),
    Tombstone(u64),
}

Expand description

Enum to denote whether the item is a valid type T or if it is a tombstone place holder used to show the item T was deleted.

Variants

`Item(T)`

Variant denoted a valid item of type T.

`Tombstone(u64)`

Marker showing that the item of type T was deleted at some point in the past with the provided version.

Trait Implementations

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impl<T: Clone> Clone for StorageItem<T>

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fn clone(&self) -> StorageItem<T>

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl<T: Debug> Debug for StorageItem<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<'de, T> Deserialize<'de> for StorageItem<T> where
T: Deserialize<'de>,

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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
__D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl<T> From<StorageItem<T>> for Option<T>

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fn from(val: StorageItem<T>) -> Self

Converts to this type from the input type.

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impl<T> From<T> for StorageItem<T>

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fn from(flag: T) -> Self

Converts to this type from the input type.

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impl<T> TryFrom<StorageItem<T>> for SerializedItem where
T: Versioned,
T: Serialize,

type Error = Error

The type returned in the event of a conversion error.

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fn try_from(storage_item: StorageItem<T>) -> Result<Self, Self::Error>

Performs the conversion.

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impl TryInto<StorageItem<Flag>> for SerializedItem

type Error = Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<StorageItem<Flag>, Self::Error>

Performs the conversion.

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impl TryInto<StorageItem<Segment>> for SerializedItem

type Error = Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<StorageItem<Segment>, Self::Error>

Performs the conversion.

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impl<T: Versioned> Versioned for StorageItem<T>

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fn version(&self) -> u64

Retrieve the version for this item instance.

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fn is_greater_than_or_equal(&self, version: u64) -> bool

Determine if this item’s version is greater than or equal to the provided version parameter. Read more

Auto Trait Implementations

impl<T> RefUnwindSafe for StorageItem<T> where
T: RefUnwindSafe,

impl<T> Send for StorageItem<T> where
T: Send,

impl<T> Sync for StorageItem<T> where
T: Sync,

impl<T> Unpin for StorageItem<T> where
T: Unpin,

impl<T> UnwindSafe for StorageItem<T> where
T: UnwindSafe,

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,

const: unstable · source

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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> From<!> for T

const: unstable · source

fn from(t: !) -> T

Converts to this type from the input type.

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impl<T> From<T> for T

const: unstable · source

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 for T where
U: From<T>,

const: unstable · source

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> Same<T> for T

type Output = T

Should always be Self

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impl<T> ToOwned for T where
T: Clone,

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)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

type Err = >::Err

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

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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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Enum launchdarkly_server_sdk::StorageItem

Variants

Item(T)

Tombstone(u64)

Trait Implementations

impl<T: Clone> Clone for StorageItem<T>

fn clone(&self) -> StorageItem<T>

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

impl<T: Debug> Debug for StorageItem<T>

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

impl<'de, T> Deserialize<'de> for StorageItem<T> where T: Deserialize<'de>,

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

impl<T> From<StorageItem<T>> for Option<T>

fn from(val: StorageItem<T>) -> Self

impl<T> From<T> for StorageItem<T>

fn from(flag: T) -> Self

impl<T> TryFrom<StorageItem<T>> for SerializedItem where T: Versioned, T: Serialize,

type Error = Error

fn try_from(storage_item: StorageItem<T>) -> Result<Self, Self::Error>

impl TryInto<StorageItem<Flag>> for SerializedItem

type Error = Error

fn try_into(self) -> Result<StorageItem<Flag>, Self::Error>

impl TryInto<StorageItem<Segment>> for SerializedItem

type Error = Error

fn try_into(self) -> Result<StorageItem<Segment>, Self::Error>

impl<T: Versioned> Versioned for StorageItem<T>

fn version(&self) -> u64

fn is_greater_than_or_equal(&self, version: u64) -> bool

Auto Trait Implementations

impl<T> RefUnwindSafe for StorageItem<T> where T: RefUnwindSafe,

impl<T> Send for StorageItem<T> where T: Send,

impl<T> Sync for StorageItem<T> where T: Sync,

impl<T> Unpin for StorageItem<T> where T: Unpin,

impl<T> UnwindSafe for StorageItem<T> where T: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<!> for T

fn from(t: !) -> T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

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

fn into(self) -> U

impl<T> Same<T> for T

type Output = T

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

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

type Error = Infallible

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

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

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

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

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

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

`Item(T)`

`Tombstone(u64)`

impl<'de, T> Deserialize<'de> for StorageItem<T> where
T: Deserialize<'de>,

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
__D: Deserializer<'de>,

impl<T> TryFrom<StorageItem<T>> for SerializedItem where
T: Versioned,
T: Serialize,

impl<T> RefUnwindSafe for StorageItem<T> where
T: RefUnwindSafe,

impl<T> Send for StorageItem<T> where
T: Send,

impl<T> Sync for StorageItem<T> where
T: Sync,

impl<T> Unpin for StorageItem<T> where
T: Unpin,

impl<T> UnwindSafe for StorageItem<T> where
T: UnwindSafe,

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

impl<T> ToOwned for T where
T: Clone,

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
U: TryFrom<T>,

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

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