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Diffstat (limited to 'library/std/src/collections/hash/set/tests.rs')
-rw-r--r-- | library/std/src/collections/hash/set/tests.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/library/std/src/collections/hash/set/tests.rs b/library/std/src/collections/hash/set/tests.rs index 233db276b..941a0450c 100644 --- a/library/std/src/collections/hash/set/tests.rs +++ b/library/std/src/collections/hash/set/tests.rs @@ -496,3 +496,9 @@ fn from_array() { // that's a problem! let _must_not_require_type_annotation = HashSet::from([1, 2]); } + +#[test] +fn const_with_hasher() { + const X: HashSet<(), ()> = HashSet::with_hasher(()); + assert_eq!(X.len(), 0); +} |