Initial commit

src/bin/lazylock.rs

@@ -0,0 +1,10 @@
+use std::sync::LazyLock;
+
+static GLOBAL_DATA: LazyLock<String> = LazyLock::new(|| {
+    // Initialize the global data here
+    "Hello, world!".to_string()
+});
+
+fn main() {
+    println!("{}", *GLOBAL_DATA); // Output: Hello, world!
+}

src/bin/oncelock.rs

@@ -0,0 +1,15 @@
+use std::sync::OnceLock;
+
+static GLOBAL_DATA: OnceLock<String> = OnceLock::new();
+
+fn get_global_data() -> &'static String {
+    GLOBAL_DATA.get_or_init(|| {
+        // Initialize the global data here
+        "Hello, world!".to_string()
+    })
+}
+
+fn main() {
+    let data = get_global_data();
+    println!("{}", data); // Output: Hello, world!
+}