fixed rustdoc tests

V2/sleep/src/lib.rs

@@ -18,6 +18,16 @@ fn nanosleep(rqtp: *const libc::timespec, rmtp: *mut libc::timespec) -> libc::c_
 
 /// Sleeps for the given duration.
 ///
+/// Examples:
+///
+/// ```rust
+/// extern crate sleep;
+/// use std::time::Duration;
+///
+/// // sleep 10 ms
+/// sleep::sleep(Duration::from_millis(10));
+/// ```
+///
 /// Uses `clock_nanosleep` on linux and `nanosleep` on darwin.
 pub fn sleep(duration: Duration) -> Result<Duration, libc::c_int> {
     let ts = duration_to_timespec(duration);
@@ -57,8 +67,11 @@ fn timespec_to_duration(timespec: libc::timespec) -> Duration {
 /// # Examples
 ///
 /// ```rust
+/// extern crate libc;
+/// extern crate sleep;
+///
 /// // set *round-robin* policy (default) and priority 99 (realtime) for own process
-/// set_scheduler(0, libc::SCHED_RR, 99);
+/// sleep::set_scheduler(0, libc::SCHED_RR, 99);
 /// ```
 #[cfg(target_os = "linux")]
 pub fn set_scheduler(pid: libc::pid_t, policy: libc::c_int, priority: libc::c_int) -> libc::c_int {
@@ -71,8 +84,10 @@ pub fn set_scheduler(pid: libc::pid_t, policy: libc::c_int, priority: libc::c_in
 /// # Examples
 ///
 /// ```rust
+/// extern crate sleep;
+///
 /// // set *round-robin* policy (default) and priority 99 (realtime)
-/// set_priority(99);
+/// sleep::set_priority(99);
 /// ```
 #[cfg(target_os = "linux")]
 pub fn set_priority(priority: i32) -> libc::c_int {