error: Rhai functions cannot return references --> ui_tests/return_mut_ref.rs:12:38 | 12 | pub fn test_fn(input: &mut Clonable) -> &mut bool { | ^ error[E0425]: cannot find function `test_fn` in this scope --> ui_tests/return_mut_ref.rs:23:8 | 23 | if test_fn(n) { | ^^^^^^^ not found in this scope