timerwheel 0.1.0

Hierarchical timer wheel for delayed task scheduling with pluggable executors.
Documentation 
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// Copyright © 2026-present The Timerwheel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::sync::mpsc;
use std::time::Duration;

use timerwheel::Timer;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let timer = Timer::builder().build()?;
    let (tx, rx) = mpsc::channel();

    let timeout = timer.schedule(Duration::from_millis(50), move || {
        tx.send("cancelled").expect("send succeeds");
    })?;
    assert!(timeout.cancel());
    assert!(rx.recv_timeout(Duration::from_millis(100)).is_err());

    timer.shutdown()?;
    Ok(())
}