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+//! Tasks used to drive a future computation
+//!
+//! It's intended over time a particular operation (such as servicing an HTTP
+//! request) will involve many futures. This entire operation, however, can be
+//! thought of as one unit, as the entire result is essentially just moving
+//! through one large state machine.
+//!
+//! A "task" is the unit of abstraction for what is driving this state machine
+//! and tree of futures forward. A task is used to poll futures and schedule
+//! futures with, and has utilities for sharing data between tasks and handles
+//! for notifying when a future is ready. Each task also has its own set of
+//! task-local data generated by `task_local!`.
+//!
+//! Note that libraries typically should not manage tasks themselves, but rather
+//! leave that to event loops and other "executors" (see the `executor` module),
+//! or by using the `wait` method to create and execute a task directly on the
+//! current thread.
+//!
+//! More information about the task model can be found [online at tokio.rs].
+//!
+//! [online at tokio.rs]: https://tokio.rs/docs/going-deeper-futures/futures-model/
+//!
+//! ## Functions
+//!
+//! There is an important bare function in this module: `current`. The
+//! `current` function returns a handle to the currently running task, panicking
+//! if one isn't present. This handle is then used to later notify the task that
+//! it's ready to make progress through the `Task::notify` method.
+
+#[doc(hidden)]
+#[deprecated(since = "0.1.4", note = "import through the executor module instead")]
+#[cfg(all(feature = "with-deprecated", feature = "use_std"))]
+#[allow(deprecated)]
+pub use task_impl::{Spawn, spawn, Unpark, Executor, Run, park};
+
+pub use task_impl::{Task, AtomicTask, current, init, is_in_task};
+
+#[allow(deprecated)]
+#[cfg(feature = "use_std")]
+pub use task_impl::{LocalKey, with_unpark_event, UnparkEvent, EventSet};
+
+#[doc(hidden)]
+#[deprecated(since = "0.1.4", note = "import through the executor module instead")]
+#[cfg(all(feature = "with-deprecated", feature = "use_std"))]
+#[allow(deprecated)]
+pub use task_impl::TaskRc;