Struct StateStore 

pub struct StateStore { /* private fields */ }

In-memory state store for context domains.

Implementations

impl StateStore

pub fn new() -> Self

Create an empty state store.

pub fn set(&mut self, key: impl Into<String>, value: Value)

Set a domain value.

pub fn get(&self, key: &str) -> Option<&Value>

Get a domain value.

pub fn remove(&mut self, key: &str) -> Option<Value>

Remove a domain value.

pub fn is_empty(&self) -> bool

Return whether the store has no domains.

pub fn domains(&self) -> &BTreeMap<String, Value>

Return all domains.

Trait Implementations

impl Clone for StateStore

fn clone(&self) -> StateStore

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StateStore

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

Formats the value using the given formatter.

impl Default for StateStore

fn default() -> StateStore

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for StateStore

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for StateStore

impl PartialEq for StateStore

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for StateStore

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for StateStore