Refactor

src/user.rs

@@ -1,3 +1,7 @@
+//! Example user processes used for testing and demonstrations.
+//!
+//! Provides a couple of simple user-space loops used to exercise syscalls
+//! and the scheduler.
 use core::time::Duration;
 
 use shared::syscall::{sleep, write_int_temp, write_string_temp};