Add missing annotations and some tests

2 files changed, 5 insertions, 0 deletions

diff --git a/src/libstd/time/duration.rs b/src/libstd/time/duration.rs
index d18d7cbecf4..ca04ec81a28 100644
--- a/src/libstd/time/duration.rs
+++ b/src/libstd/time/duration.rs
@@ -102,6 +102,7 @@ impl Duration {
     pub fn subsec_nanos(&self) -> u32 { self.nanos }
 }
 
+#[stable(feature = "duration", since = "1.3.0")]
 impl Add for Duration {
     type Output = Duration;
 
@@ -118,6 +119,7 @@ impl Add for Duration {
     }
 }
 
+#[stable(feature = "duration", since = "1.3.0")]
 impl Sub for Duration {
     type Output = Duration;
 
@@ -136,6 +138,7 @@ impl Sub for Duration {
     }
 }
 
+#[stable(feature = "duration", since = "1.3.0")]
 impl Mul<u32> for Duration {
     type Output = Duration;
 
@@ -152,6 +155,7 @@ impl Mul<u32> for Duration {
     }
 }
 
+#[stable(feature = "duration", since = "1.3.0")]
 impl Div<u32> for Duration {
     type Output = Duration;
 
diff --git a/src/libstd/time/mod.rs b/src/libstd/time/mod.rs
index 29df882a042..446fbae52f6 100644
--- a/src/libstd/time/mod.rs
+++ b/src/libstd/time/mod.rs
@@ -12,6 +12,7 @@
 
 #![stable(feature = "time", since = "1.3.0")]
 
+#[stable(feature = "time", since = "1.3.0")]
 pub use self::duration::Duration;
 
 mod duration;