Add min specialisation for RangeFrom and last for RangeInclusive

1 files changed, 10 insertions, 0 deletions

diff --git a/src/libcore/iter/range.rs b/src/libcore/iter/range.rs
index 19a76302f17..280f0eafcf0 100644
--- a/src/libcore/iter/range.rs
+++ b/src/libcore/iter/range.rs
@@ -305,6 +305,11 @@ impl<A: Step> Iterator for ops::RangeFrom<A> {
         self.start = plus_n.add_one();
         Some(plus_n)
     }
+
+    #[inline]
+    fn min(self) -> Option<A> {
+        Some(self.start)
+    }
 }
 
 #[unstable(feature = "fused", issue = "35602")]
@@ -369,6 +374,11 @@ impl<A: Step> Iterator for ops::RangeInclusive<A> {
     }
 
     #[inline]
+    fn last(self) -> Option<A> {
+        Some(self.end)
+    }
+
+    #[inline]
     fn min(self) -> Option<A> {
         Some(self.start)
     }