r#"# [ unsafe ( no_mangle ) ] pub extern "C" fn Foo_f ( this : * mut RefCell < Foo >, a0 : i32 , ) -> ( ) {
let this : & RefCell < Foo > = unsafe { this . as_mut ( ) . unwrap ( ) } ;
let mut this : Ref < Foo > = this.borrow();
let mut this : & Foo = & this;
let mut ret : ( ) = Foo :: f ( this , a0 ) ; ret }"#;