Fix WASM build

Cargo.toml

@@ -2,7 +2,7 @@
 name = "wasm-timer"
 edition = "2018"
 description = "Abstraction over std::time::Instant and futures-timer that works on WASM"
-version = "0.2.3"
+version = "0.2.4"
 authors = ["Pierre Krieger <pierre.krieger1708@gmail.com>"]
 license = "MIT"
 repository = "https://github.com/tomaka/wasm-timer"

src/timer/global/wasm.rs

@@ -1,4 +1,4 @@
-use futures::task::ArcWake;
+use futures::task::{self, ArcWake};
 use parking_lot::Mutex;
 use std::convert::TryFrom;
 use std::future::Future;
@@ -33,7 +33,7 @@ fn schedule_callback(timer: Arc<Mutex<Timer>>, when: Duration) {
             // We start by polling the timer. If any new `Delay` is created, the waker will be used
             // to wake up this task pre-emptively. As such, we pass a `Waker` that calls
             // `schedule_callback` with a delay of `0`.
-            let waker = Arc::new(Waker { timer: timer.clone() }).into_waker();
+            let waker = task::waker(Arc::new(Waker { timer: timer.clone() }));
             let _ = Future::poll(Pin::new(&mut *timer_lock), &mut Context::from_waker(&waker));
 
             // Notify the timers that are ready.