Struct RuleContext 

pub struct RuleContext { /* private fields */ }

Context for rule evaluation

Implementations

impl RuleContext

pub fn new() -> Self

Create empty context

pub fn from_value(value: Value) -> Self

Create from JSON value

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

Set a value

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

Get a value by key

pub fn get_field(&self, path: &str) -> Value

Get a field by dot-notation path

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

Set metadata

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

Get metadata

pub fn merge(&mut self, other: RuleContext)

Merge another context into this one

pub fn to_value(&self) -> Value

Convert to JSON value

Trait Implementations

impl Clone for RuleContext

fn clone(&self) -> RuleContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RuleContext

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

Formats the value using the given formatter.

impl Default for RuleContext

fn default() -> RuleContext

Returns the “default value” for a type.