Struct JsFuture

pub struct JsFuture { /* private fields */ }

A Rust Future backed by a JavaScript Promise.

This type is constructed with a JavaScript Promise object and translates it to a Rust Future. This type implements the Future trait from the futures crate and will either succeed or fail depending on what happens with the JavaScript Promise.

Currently this type is constructed with JsFuture::from.

Trait Implementations

impl Debug for JsFuture

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

Formats the value using the given formatter.

impl From<Promise> for JsFuture

fn from(js: Promise) -> JsFuture

Converts to this type from the input type.

impl Future for JsFuture

type Output = Result<JsValue, JsValue>

The type of value produced on completion.

fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

Attempts to resolve the future to a final value, registering the current task for wakeup if the value is not yet available.