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-rw-r--r--library/std/src/sync/lazy_lock/tests.rs6
1 files changed, 6 insertions, 0 deletions
diff --git a/library/std/src/sync/lazy_lock/tests.rs b/library/std/src/sync/lazy_lock/tests.rs
index f11b66bfc..a5d4e25c5 100644
--- a/library/std/src/sync/lazy_lock/tests.rs
+++ b/library/std/src/sync/lazy_lock/tests.rs
@@ -136,6 +136,12 @@ fn sync_lazy_poisoning() {
}
}
+// Check that we can infer `T` from closure's type.
+#[test]
+fn lazy_type_inference() {
+ let _ = LazyCell::new(|| ());
+}
+
#[test]
fn is_sync_send() {
fn assert_traits<T: Send + Sync>() {}