Struct Program 

pub struct Program { /* private fields */ }

Implementations

impl Program

pub fn compile(source: &str) -> Result<Program, ParseErrors>

pub fn execute(&self, context: &Context<'_>) -> ResolveResult

pub fn references(&self) -> ExpressionReferences<'_>

Returns the variables and functions referenced by the CEL program

Example

let program = Program::compile("length(foo) > 0").unwrap();
let references = program.references();

assert!(references.has_function("length"));
assert!(references.has_variable("foo"));

pub fn expression(&self) -> &Expression

Returns the contained expression

Trait Implementations

impl Clone for Program

fn clone(&self) -> Program

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Program

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

Formats the value using the given formatter.

impl TryFrom<&str> for Program

type Error = ParseErrors

The type returned in the event of a conversion error.

fn try_from(value: &str) -> Result<Self, Self::Error>

Performs the conversion.