Add examples/future.rs

Author: kpp

examples/future.rs

@@ -0,0 +1,13 @@
+#![feature(futures_api, async_await, await_macro)]
+
+use futures_async_combinators::future::*;
+use futures::{future, executor};
+
+fn main() {
+    executor::block_on(async {
+        let future = future::ready(Ok::<i32, i32>(1));
+        let future = and_then(future, |x| future::ready(Ok::<i32, i32>(x + 3)));
+        let future = inspect(future, |x| { dbg!(x); });
+        assert_eq!(await!(future), Ok(4));
+    });
+}