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// Cala
// Copyright © 2017-2021 Jeron Aldaron Lau.
//
// Licensed under any of:
// - Apache License, Version 2.0 (https://www.apache.org/licenses/LICENSE-2.0)
// - MIT License (https://mit-license.org/)
// - Boost Software License, Version 1.0 (https://www.boost.org/LICENSE_1_0.txt)
// At your choosing (See accompanying files LICENSE_APACHE_2_0.txt,
// LICENSE_MIT.txt and LICENSE_BOOST_1_0.txt).
//! Execution of asynchronous tasks.
//!
//! # Getting Started
//! ```rust,no_run
//! use cala::task::{exec, wait, never};
//!
//! /// The program's shared state.
//! struct State {}
//!
//! /// Event handled by the event loop.
//! enum Event {
//! Never(()),
//! }
//!
//! impl State {
//! /// Event loop.
//! fn event(&mut self, event: Event) {
//! match event {
//! Event::Never(_) => unreachable!(),
//! }
//! }
//! }
//!
//! /// Start the async executor.
//! fn main() {
//! let mut state = State {};
//! let mut never = never();
//!
//! exec!(state.event(wait! {
//! Event::Never((&mut never).await),
//! }));
//! }
//! ```
use Future;
use Pin;
use ;
pub use ;
;
/// An asynchronous task that never finishes.
+ Unpin