#![deny(unreachable_patterns)] fn main() { let s = &["0x00"; 4][..]; //Slice of any value const MAGIC_TEST: &[&str] = &["4", "5", "6", "7"]; //Const slice to pattern match with match s { MAGIC_TEST => (), ["0x00", "0x00", "0x00", "0x00"] => (), ["4", "5", "6", "7"] => (), //~ ERROR unreachable pattern _ => (), } match s { ["0x00", "0x00", "0x00", "0x00"] => (), MAGIC_TEST => (), ["4", "5", "6", "7"] => (), //~ ERROR unreachable pattern _ => (), } match s { ["0x00", "0x00", "0x00", "0x00"] => (), ["4", "5", "6", "7"] => (), MAGIC_TEST => (), //~ ERROR unreachable pattern _ => (), } const FOO: [&str; 1] = ["boo"]; match ["baa"] { ["0x00"] => (), ["boo"] => (), FOO => (), //~ ERROR unreachable pattern _ => (), } }