✨ iterated fn + defer + retry

src/defer.rs

@@ -0,0 +1,16 @@
+pub struct Defer {
+    f: Box<dyn Fn()>,
+}
+
+impl Defer {
+    pub fn new<F: Fn() + 'static>(f: F) -> Self {
+        Self { f: Box::new(f) }
+    }
+}
+
+impl Drop for Defer {
+    fn drop(&mut self) {
+        log::debug!("Calling defer function");
+        self.f.as_ref()();
+    }
+}