pub struct KeyValueStore { /* private fields */ }

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impl KeyValueStore

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pub fn keys(&self) -> Array<BnString>

Get a list of all keys stored in the kvs

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pub fn value<S: BnStrCompatible>(&self, key: S) -> Option<DataBuffer>

Get the value for a single key

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pub fn set_value<S: BnStrCompatible>(&self, key: S, value: &DataBuffer) -> bool

Set the value for a single key

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pub fn serialized_data(&self) -> DataBuffer

Get the stored representation of the kvs

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pub fn begin_namespace<S: BnStrCompatible>(&self, name: S)

Begin storing new keys into a namespace

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pub fn end_namespace(&self)

End storing new keys into a namespace

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pub fn empty(&self) -> bool

If the kvs is empty

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pub fn value_size(&self) -> usize

Number of values in the kvs

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pub fn data_size(&self) -> usize

Length of serialized data

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pub fn value_storage_size(self) -> usize

Size of all data in storage

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pub fn namespace_size(self) -> usize

Number of namespaces pushed with begin_namespace

Trait Implementations§

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impl Clone for KeyValueStore

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fn clone(&self) -> Self

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 Drop for KeyValueStore

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait 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> 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.