Struct Completion 

pub struct Completion {
    pub completion_type: CompletionType,
    pub value: Option<JsValue>,
    pub target: Option<String>,
}

Completion record. Every statement evaluation returns a completion record.

Fields

completion_type: CompletionType

The type of completion.

value: Option<JsValue>

The value, if any.

target: Option<String>

Target label for break/continue.

Implementations

impl Completion

pub fn normal() -> Self

Create a normal completion with no value.

pub fn normal_with_value(value: JsValue) -> Self

Create a normal completion with a value.

pub fn return_value(value: JsValue) -> Self

Create a return completion.

pub fn return_undefined() -> Self

Create a return completion with undefined.

pub fn throw(error: JErrorType) -> Self

Create a throw completion (exception).

pub fn break_completion(target: Option<String>) -> Self

Create a break completion.

pub fn continue_completion(target: Option<String>) -> Self

Create a continue completion.

pub fn yield_value(value: JsValue) -> Self

Create a yield completion with a value.

pub fn is_normal(&self) -> bool

Check if this is a normal completion.

pub fn is_abrupt(&self) -> bool

Check if this is an abrupt completion (not normal).

pub fn get_value(&self) -> JsValue

Get the value, or undefined if none.

pub fn update_empty(self, value: JsValue) -> Self

Update the value of a normal completion.