Hung Le

You can use the guard_ prefix to prevent auto-move: ``` main: () = { guard_a: A = (); increase_and_print(guard_a); increase_and_print(guard_a); } ``` Or explicitly discard a: ``` main: () =...

`using namespace ...;` is not valid cpp2 syntax. Instead you should write `using some_namespace::_;` Also note that `using some_namespace::_;` cannot appear at global scope, if it does, it will be...