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Rollup merge of #44315 - kallisti5:epoch-doc-example-squashed, r=GuillaumeGomez

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std/time: Give an example to get UNIX_EPOCH in seconds
This commit is contained in:
Mark Simulacrum
2017-09-06 18:27:53 -06:00
committed by GitHub
parent 50f14e906f 1c5bf2468b
commit fdb8d0beb4
1 changed files with 11 additions and 0 deletions
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11
src/libstd/time/mod.rs
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@@ -382,6 +382,17 @@ impl fmt::Debug for SystemTime {
/// [`SystemTime`] instance to represent another fixed point in time. /// [`SystemTime`] instance to represent another fixed point in time.
/// ///
/// [`SystemTime`]: ../../std/time/struct.SystemTime.html /// [`SystemTime`]: ../../std/time/struct.SystemTime.html
///
/// # Examples
///
/// ```no_run
/// use std::time::{SystemTime, UNIX_EPOCH};
///
/// match SystemTime::now().duration_since(UNIX_EPOCH) {
/// Ok(n) => println!("1970-01-01 00:00:00 UTC was {} seconds ago!", n.as_secs()),
/// Err(_) => panic!("SystemTime before UNIX EPOCH!"),
/// }
/// ```
#[stable(feature = "time2", since = "1.8.0")] #[stable(feature = "time2", since = "1.8.0")]
pub const UNIX_EPOCH: SystemTime = SystemTime(time::UNIX_EPOCH); pub const UNIX_EPOCH: SystemTime = SystemTime(time::UNIX_EPOCH);