async works!

kernel/src/main.rs

@@ -4,9 +4,10 @@
 extern crate alloc;
 
 use libk::{
-    io,
+    io::{self, keyboard},
     prelude::*,
     scheduling::task::{Executor, Task},
+    // scheduling::task::{Executor, Task},
 };
 
 #[unsafe(no_mangle)]
@@ -46,8 +47,8 @@ extern "C" fn kmain() -> ! {
     );
 
     let mut executor = Executor::new();
-    executor.spawn(Task::new(io::keyboard::print_keypresses()));
-    executor.try_run();
+    executor.spawn(Task::new(keyboard::print_keypresses()));
+    executor.run();
 
     loop {}
 }