Struct AttributeBag 

pub struct AttributeBag { /* private fields */ }

Flat key→value namespace consumed by the evaluator.

Populate via set() and/or AttributeExtractor::extract(); query via the typed get_* methods. Once handed to the evaluator the bag is read-only by convention (not enforced — &mut borrows are how you build it up in the first place).

Implementations

impl AttributeBag

pub fn new() -> Self

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

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

pub fn contains(&self, key: &str) -> bool

pub fn get_bool(&self, key: &str) -> Option<bool>

pub fn get_int(&self, key: &str) -> Option<i64>

pub fn get_float(&self, key: &str) -> Option<f64>

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

pub fn get_string_set(&self, key: &str) -> Option<&HashSet<String>>

pub fn set_contains(&self, key: &str, value: &str) -> bool

DSL <key> contains <value> — false if the key is missing or not a set.

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn iter(&self) -> impl Iterator<Item = (&str, &AttributeValue)>

Trait Implementations

impl Clone for AttributeBag

fn clone(&self) -> AttributeBag

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AttributeBag

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

Formats the value using the given formatter.

impl Default for AttributeBag

fn default() -> AttributeBag

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for AttributeBag

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for AttributeBag

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

where __S: Serializer,

Serialize this value into the given Serde serializer.