type A = for<'b, 'a: 'b> fn(); //~ ERROR lifetime bounds cannot be used in this context type B = for<'b, 'a: 'b,> fn(); //~ ERROR lifetime bounds cannot be used in this context type C = for<'b, 'a: 'b +> fn(); //~ ERROR lifetime bounds cannot be used in this context type D = for<'a, T> fn(); //~ ERROR only lifetime parameters can be used in this context type E = dyn for Fn(); //~ ERROR only lifetime parameters can be used in this context fn main() {}