Rollup merge of #61376 - czipperz:bound-cloned, r=sfackler

Add Bound::cloned()

Suggested by #61356

2 files changed, 17 insertions, 1 deletions

diff --git a/src/libcore/tests/lib.rs b/src/libcore/tests/lib.rs
index 5050842e409..928bdd7a760 100644
--- a/src/libcore/tests/lib.rs
+++ b/src/libcore/tests/lib.rs
@@ -1,3 +1,4 @@
+#![feature(bound_cloned)]
 #![feature(box_syntax)]
 #![feature(cell_update)]
 #![feature(core_private_bignum)]
diff --git a/src/libcore/tests/ops.rs b/src/libcore/tests/ops.rs
index 78cf07119e7..48755ae4c16 100644
--- a/src/libcore/tests/ops.rs
+++ b/src/libcore/tests/ops.rs
@@ -1,4 +1,4 @@
-use core::ops::{Range, RangeFull, RangeFrom, RangeTo, RangeInclusive};
+use core::ops::{Bound, Range, RangeFull, RangeFrom, RangeTo, RangeInclusive};
 
 // Test the Range structs without the syntactic sugar.
 
@@ -82,3 +82,18 @@ fn test_range_is_empty() {
     assert!( (NAN ..= EPSILON).is_empty());
     assert!( (NAN ..= NAN).is_empty());
 }
+
+#[test]
+fn test_bound_cloned_unbounded() {
+    assert_eq!(Bound::<&u32>::Unbounded.cloned(), Bound::Unbounded);
+}
+
+#[test]
+fn test_bound_cloned_included() {
+    assert_eq!(Bound::Included(&3).cloned(), Bound::Included(3));
+}
+
+#[test]
+fn test_bound_cloned_excluded() {
+    assert_eq!(Bound::Excluded(&3).cloned(), Bound::Excluded(3));
+}