tokio-timer 0.2.4

Timer facilities for Tokio
Documentation 
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//! Utilities for scheduling work to happen after a period of time.
//!
//! This crate provides a number of utilities for working with periods of time:
//!
//! * [`Delay`]: A future that completes at a specified instant in time.
//!
//! * [`Interval`] A stream that yields at fixed time intervals.
//!
//! * [`Deadline`]: Wraps a future, requiring it to complete before a specified
//!   instant in time, erroring if the future takes too long.
//!
//! These three types are backed by a [`Timer`] instance. In order for
//! [`Delay`], [`Interval`], and [`Deadline`] to function, the associated
//! [`Timer`] instance must be running on some thread.
//!
//! [`Delay`]: struct.Delay.html
//! [`Deadline`]: struct.Deadline.html
//! [`Interval`]: struct.Interval.html
//! [`Timer`]: timer/struct.Timer.html

#![doc(html_root_url = "https://docs.rs/tokio-timer/0.2.4")]
#![deny(missing_docs, warnings, missing_debug_implementations)]

extern crate tokio_executor;

#[macro_use]
extern crate futures;

pub mod clock;
pub mod timer;

mod atomic;
mod deadline;
mod delay;
mod error;
mod interval;

use std::time::{Duration, Instant};

pub use self::deadline::{Deadline, DeadlineError};
pub use self::delay::Delay;
pub use self::error::Error;
pub use self::interval::Interval;
pub use self::timer::{with_default, Timer};

/// Create a Future that completes in `duration` from now.
pub fn sleep(duration: Duration) -> Delay {
    Delay::new(Instant::now() + duration)
}