Auto merge of rust-lang#32592 - tbu-:pr_range_from_overflow, r=alexcr…

…ichton Add a note about overflowing in the `RangeFrom` iterator
pierzchalski · Apr 13, 2016 · 2b60207 · 2b60207
2 parents 35dca7f + 6acd90f
commit 2b60207
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/libcore/ops.rs b/src/libcore/ops.rs
@@ -1539,6 +1539,11 @@ impl<Idx: PartialOrd<Idx>> Range<Idx> {
 ///
 /// See the [`contains()`](#method.contains) method for its characterization.
 ///
+/// Note: Currently, no overflow checking is done for the iterator
+/// implementation; if you use an integer range and the integer overflows, it
+/// might panic in debug mode or create an endless loop in release mode. This
+/// overflow behavior might change in the future.
+///
 /// # Examples
 ///
 /// ```