Remove spawning from task::Context

1 files changed, 0 insertions, 93 deletions

diff --git a/src/libcore/task/spawn.rs b/src/libcore/task/spawn.rs
deleted file mode 100644
index 58ee85d232b..00000000000
--- a/src/libcore/task/spawn.rs
+++ /dev/null
@@ -1,93 +0,0 @@
-// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#![unstable(feature = "futures_api",
-            reason = "futures in libcore are unstable",
-            issue = "50547")]
-
-use fmt;
-use future::{FutureObj, LocalFutureObj};
-
-/// Spawns tasks that poll futures to completion onto its associated task
-/// executor.
-///
-/// The term "task" refers to a kind of lightweight "thread". Task executors
-/// are responsible for scheduling the execution of tasks on operating system
-/// threads.
-pub trait Spawn {
-    /// Spawns a new task with the given future. The future will be polled until
-    /// completion.
-    ///
-    /// # Errors
-    ///
-    /// The executor may be unable to spawn tasks, either because it has
-    /// been shut down or is resource-constrained.
-    fn spawn_obj(
-        &mut self,
-        future: FutureObj<'static, ()>,
-    ) -> Result<(), SpawnObjError>;
-
-    /// Determines whether the executor is able to spawn new tasks.
-    ///
-    /// # Returns
-    ///
-    /// An `Ok` return means the executor is *likely* (but not guaranteed)
-    /// to accept a subsequent spawn attempt. Likewise, an `Err` return
-    /// means that `spawn` is likely, but not guaranteed, to yield an error.
-    #[inline]
-    fn status(&self) -> Result<(), SpawnErrorKind> {
-        Ok(())
-    }
-}
-
-/// Provides the reason that an executor was unable to spawn.
-pub struct SpawnErrorKind {
-    _hidden: (),
-}
-
-impl fmt::Debug for SpawnErrorKind {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        f.debug_tuple("SpawnErrorKind")
-            .field(&"shutdown")
-            .finish()
-    }
-}
-
-impl SpawnErrorKind {
-    /// Spawning is failing because the executor has been shut down.
-    pub fn shutdown() -> SpawnErrorKind {
-        SpawnErrorKind { _hidden: () }
-    }
-
-    /// Check whether this error is the `shutdown` error.
-    pub fn is_shutdown(&self) -> bool {
-        true
-    }
-}
-
-/// The result of a failed spawn
-#[derive(Debug)]
-pub struct SpawnObjError {
-    /// The kind of error
-    pub kind: SpawnErrorKind,
-
-    /// The future for which spawning inside a task was attempted
-    pub future: FutureObj<'static, ()>,
-}
-
-/// The result of a failed spawn
-#[derive(Debug)]
-pub struct SpawnLocalObjError {
-    /// The kind of error
-    pub kind: SpawnErrorKind,
-
-    /// The future for which spawning inside a task was attempted
-    pub future: LocalFutureObj<'static, ()>,
-}