1 files changed, 29 insertions, 0 deletions
diff --git a/examples/fibonacci.rs b/examples/fibonacci.rs
new file mode 100644
index 0000000..d43b01c
--- /dev/null
+++ b/examples/fibonacci.rs
@@ -0,0 +1,29 @@
+use happylock::{LockCollection, Mutex, ThreadKey};
+use std::thread;
+
+const N: usize = 36;
+
+static DATA: [Mutex<i32>; 2] = [Mutex::new(0), Mutex::new(1)];
+
+fn main() {
+	for _ in 0..N {
+		thread::spawn(move || {
+			let key = ThreadKey::get().unwrap();
+
+			// a reference to a type that implements `OwnedLockable` will never
+			// contain duplicates, so no duplicate checking is needed.
+			let collection = LockCollection::new_ref(&DATA);
+			let mut guard = collection.lock(key);
+
+			let x = *guard[1];
+			*guard[1] += *guard[0];
+			*guard[0] = x;
+		});
+	}
+
+	let key = ThreadKey::get().unwrap();
+	let data = LockCollection::new_ref(&DATA);
+	let data = data.lock(key);
+	println!("{}", data[0]);
+	println!("{}", data[1]);
+}