1 files changed, 12 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/source/issue-3701/one.rs b/src/tools/rustfmt/tests/source/issue-3701/one.rs
new file mode 100644
index 000000000..a7f0bd3aa
--- /dev/null
+++ b/src/tools/rustfmt/tests/source/issue-3701/one.rs
@@ -0,0 +1,12 @@
+// rustfmt-version: One
+
+fn build_sorted_static_get_entry_names(
+    mut entries: Vec<(u8, &'static str)>,
+) -> (impl Fn(
+    AlphabeticalTraversal,
+    Box<dyn dirents_sink::Sink<AlphabeticalTraversal>>,
+) -> BoxFuture<'static, Result<Box<dyn dirents_sink::Sealed>, Status>>
+      + Send
+      + Sync
+      + 'static) {
+}