3 // Here we check that the parentheses around the body of `wsucc()` are
4 // preserved. They are needed to disambiguate `{return n+1}; - 0` from
7 fn id<F>(f: F) -> isize where F: Fn() -> isize { f() }
9 fn wsucc(_n: isize) -> isize { id(|| { 1 }) - 0 }