returns_arr() -> [u8; 2]1fn returns_arr() -> [u8; 2] { 2 [1, 2] 3 } 4 main()5fn main() { 6 let wrong: [u8; 3] = [10, 20]; 7 //~^ ERROR mismatched types 8 //~^^ HELP consider specifying the actual array length 9 let wrong: [u8; 3] = returns_arr(); 10 //~^ ERROR mismatched types 11 //~^^ HELP consider specifying the actual array length 12 } 13