1 files changed, 27 insertions, 0 deletions
diff --git a/third_party/rust/darling/tests/from_variant.rs b/third_party/rust/darling/tests/from_variant.rs
new file mode 100644
index 0000000000..be216cbe52
--- /dev/null
+++ b/third_party/rust/darling/tests/from_variant.rs
@@ -0,0 +1,27 @@
+#[macro_use]
+extern crate darling;
+extern crate syn;
+
+#[derive(FromVariant)]
+#[darling(from_ident, attributes(hello))]
+#[allow(dead_code)]
+pub struct Lorem {
+    ident: syn::Ident,
+    into: Option<bool>,
+    skip: Option<bool>,
+    fields: darling::ast::Fields<syn::Type>,
+}
+
+impl From<syn::Ident> for Lorem {
+    fn from(ident: syn::Ident) -> Self {
+        Lorem {
+            ident,
+            into: Default::default(),
+            skip: Default::default(),
+            fields: darling::ast::Style::Unit.into(),
+        }
+    }
+}
+
+#[test]
+fn expansion() {}