From 90690702e1e4abab804ec91e8ff4183824bec436 Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Mon, 20 Jan 2020 04:47:36 +0100
Subject: Add `Application::Executor` associated type

---
 futures/src/executor/async_std.rs   | 15 +++++++++++++++
 futures/src/executor/null.rs        | 13 +++++++++++++
 futures/src/executor/thread_pool.rs | 15 +++++++++++++++
 futures/src/executor/tokio.rs       | 19 +++++++++++++++++++
 4 files changed, 62 insertions(+)
 create mode 100644 futures/src/executor/async_std.rs
 create mode 100644 futures/src/executor/null.rs
 create mode 100644 futures/src/executor/thread_pool.rs
 create mode 100644 futures/src/executor/tokio.rs

(limited to 'futures/src/executor')

diff --git a/futures/src/executor/async_std.rs b/futures/src/executor/async_std.rs
new file mode 100644
index 00000000..b056b23d
--- /dev/null
+++ b/futures/src/executor/async_std.rs
@@ -0,0 +1,15 @@
+use crate::Executor;
+
+use futures::Future;
+
+pub struct AsyncStd;
+
+impl Executor for AsyncStd {
+    fn new() -> Result<Self, futures::io::Error> {
+        Ok(Self)
+    }
+
+    fn spawn(&self, future: impl Future<Output = ()> + Send + 'static) {
+        let _ = async_std::task::spawn(future);
+    }
+}
diff --git a/futures/src/executor/null.rs b/futures/src/executor/null.rs
new file mode 100644
index 00000000..722073bb
--- /dev/null
+++ b/futures/src/executor/null.rs
@@ -0,0 +1,13 @@
+use crate::Executor;
+
+use futures::Future;
+
+pub struct Null;
+
+impl Executor for Null {
+    fn new() -> Result<Self, futures::io::Error> {
+        Ok(Self)
+    }
+
+    fn spawn(&self, _future: impl Future<Output = ()> + Send + 'static) {}
+}
diff --git a/futures/src/executor/thread_pool.rs b/futures/src/executor/thread_pool.rs
new file mode 100644
index 00000000..6393d0d5
--- /dev/null
+++ b/futures/src/executor/thread_pool.rs
@@ -0,0 +1,15 @@
+use crate::Executor;
+
+use futures::Future;
+
+pub type ThreadPool = futures::executor::ThreadPool;
+
+impl Executor for futures::executor::ThreadPool {
+    fn new() -> Result<Self, futures::io::Error> {
+        futures::executor::ThreadPool::new()
+    }
+
+    fn spawn(&self, future: impl Future<Output = ()> + Send + 'static) {
+        self.spawn_ok(future);
+    }
+}
diff --git a/futures/src/executor/tokio.rs b/futures/src/executor/tokio.rs
new file mode 100644
index 00000000..aafa7e7b
--- /dev/null
+++ b/futures/src/executor/tokio.rs
@@ -0,0 +1,19 @@
+use crate::Executor;
+
+use futures::Future;
+
+pub type Tokio = tokio::runtime::Runtime;
+
+impl Executor for Tokio {
+    fn new() -> Result<Self, futures::io::Error> {
+        tokio::runtime::Runtime::new()
+    }
+
+    fn spawn(&self, future: impl Future<Output = ()> + Send + 'static) {
+        let _ = tokio::runtime::Runtime::spawn(self, future);
+    }
+
+    fn enter<R>(&self, f: impl FnOnce() -> R) -> R {
+        tokio::runtime::Runtime::enter(self, f)
+    }
+}
-- 
cgit