fn simple(// pre-comment on a function!?
          i: i32, // yes, it's possible!
          response: NoWay /* hose */) {
    "cool"
}


fn weird_comment(// /*/ double level */ comment
                 x: Hello, // /*/* tripple, even */*/
                 // Does this work?
                 y: World) {
    simple(// does this preserve comments now?
           42,
           NoWay)
}

fn generic<T>(arg: T) -> &SomeType
    where T: Fn(// First arg
                A,
                // Second argument
                B,
                C,
                D,
                // pre comment
                E /* last comment */) -> &SomeType
{
    arg(a, b, c, d, e)
}