main()1fn main() { 2 trait Seq { } 3 4 impl<T> Seq<T> for Vec<T> { 5 //~^ ERROR this trait takes 0 generic arguments but 1 generic argument 6 /* ... */ 7 } 8 9 impl Seq<bool> for u32 { 10 //~^ ERROR this trait takes 0 generic arguments but 1 generic argument 11 /* Treat the integer as a sequence of bits */ 12 } 13 } 14