add todo destructors

Author: wusatosi

include/beman/scope/scope.hpp

@@ -9,18 +9,28 @@ namespace beman::scope {
 struct scope_exit {
     template <typename F>
     scope_exit(F) {}
+    ~scope_exit() {
+        // TODO: Cleanup
+    }
 };
 
 // TODO: Implement
 struct scope_fail {
     template <typename F>
     scope_fail(F) {}
+    ~scope_fail() {
+        // TODO: Cleanup
+    }
 };
 
 // TODO: Implement
 struct scope_success {
     template <typename F>
     scope_success(F) {}
+    ~scope_success() {
+        // TODO: Cleanup
+    }
+};
 };
 
 } // namespace beman::scope