Struct JsNumber

pub struct JsNumber(/* private fields */);

The type of JavaScript number primitives.

Example

// Create a number:
let n = cx.number(17.0);

// Call console.log(n):
cx.global::<JsObject>("console")?.method(&mut cx, "log")?.arg(n)?.exec()?;

Implementations

impl JsNumber

pub fn new<'a, C: Context<'a>, T: Into<f64>>( cx: &mut C, x: T, ) -> Handle<'a, JsNumber>

Creates a new number with value x.

See also: Context::number

pub fn value<'a, C: Context<'a>>(&self, cx: &mut C) -> f64

Returns the value of this number as a Rust f64.

Trait Implementations

impl Debug for JsNumber

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

Formats the value using the given formatter.

impl Value for JsNumber

fn to_string<'cx, C: Context<'cx>>(&self, cx: &mut C) -> JsResult<'cx, JsString>

fn as_value<'cx, C: Context<'cx>>(&self, _: &mut C) -> Handle<'cx, JsValue>

fn to_raw(&self) -> Value

Available on crate feature sys only.

Get a raw reference to the wrapped Node-API value.

unsafe fn from_raw<'cx, C: Context<'cx>>( cx: &C, value: Value, ) -> Handle<'cx, Self>

Available on crate feature sys only.

Creates a value from a raw Node-API value.