Struct Evaluator 

pub struct Evaluator<'a> { /* private fields */ }

An evaluator for Scripts.

Implementations

impl<'a> Evaluator<'a>

pub fn bind_vars<K>(&mut self, name: &str, value: K)

where K: IntoValue,

Binds a set of values to a variable indentified by the name argument, nested into the vars namespace.

pub fn bind_payload(&mut self, binding: &dyn PayloadBinding)

Binds a payload to the payload variable.

pub fn bind_attributes(&mut self, binding: &dyn AttributesBinding)

Binds a set of actual attributes to the attributes namespace.

pub fn bind_authentication(&mut self, binding: &dyn AuthenticationBinding)

Binds a set of actual authentication properties to the authentication namespace.

pub fn is_ready(&self) -> bool

Returns [true] if the Evaluator is ready to be evaluated.

pub fn eval(self) -> Result<Value, EvaluationError>

Evals the script with the given bindings and returns the resulting Value. Returns an EvaluationError when errors occurs during the evaluation.