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-rwxr-xr-xthird_party/rust/smart-default/examples/example.rs32
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(),
+ });
+}