1 files changed, 32 insertions, 0 deletions
diff --git a/third_party/rust/smart-default/examples/example.rs b/third_party/rust/smart-default/examples/example.rs
new file mode 100755
index 0000000000..aa82f999a0
--- /dev/null
+++ b/third_party/rust/smart-default/examples/example.rs
@@ -0,0 +1,32 @@
+extern crate smart_default;
+
+use smart_default::SmartDefault;
+
+#[derive(PartialEq, SmartDefault, Debug)]
+#[allow(dead_code)]
+enum Foo {
+    Bar,
+    #[default]
+    Baz {
+        #[default(12)]
+        a: i32,
+        b: i32,
+        #[default(Some(Default::default()))]
+        c: Option<i32>,
+        #[default(_code = "vec![1, 2, 3]")]
+        d: Vec<u32>,
+        #[default = "four"]
+        e: String,
+    },
+    Qux(i32),
+}
+
+fn main() {
+    assert!(Foo::default() == Foo::Baz {
+        a: 12,
+        b: 0,
+        c: Some(0),
+        d: vec![1, 2, 3],
+        e: "four".to_owned(),
+    });
+}