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Capture elapsed duration in Thread::park_timeout example

This commit is contained in:
Mark Buer 2017-06-12 13:33:25 +09:30
parent 29ef41215c
commit 0389d40ce0
1 changed files with 9 additions and 5 deletions
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14
src/libstd/thread/mod.rs
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@ -787,12 +787,16 @@ pub fn park_timeout_ms(ms: u32) {
///
/// let timeout = Duration::from_secs(2);
/// let beginning_park = Instant::now();
/// park_timeout(timeout);
///
/// while beginning_park.elapsed() < timeout {
/// println!("restarting park_timeout after {:?}", beginning_park.elapsed());
/// let timeout = timeout - beginning_park.elapsed();
/// park_timeout(timeout);
/// let mut timeout_remaining = timeout;
/// loop {
/// park_timeout(timeout_remaining);
/// let elapsed = beginning_park.elapsed();
/// if elapsed >= timeout {
/// break;
/// }
/// println!("restarting park_timeout after {:?}", elapsed);
/// timeout_remaining = timeout - elapsed;
/// }
/// ```
///