rust/src/test/ui/pattern/slice-pattern-const-3.rs
2018-12-13 12:54:49 +01:00

31 lines
984 B
Rust

#![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"] => (), // FIXME(oli-obk): this should warn, but currently does not
_ => (),
}
match s {
["0x00", "0x00", "0x00", "0x00"] => (),
MAGIC_TEST => (),
["4", "5", "6", "7"] => (), // FIXME(oli-obk): this should warn, but currently does not
_ => (),
}
match s {
["0x00", "0x00", "0x00", "0x00"] => (),
["4", "5", "6", "7"] => (),
MAGIC_TEST => (), // FIXME(oli-obk): this should warn, but currently does not
_ => (),
}
const FOO: [&str; 1] = ["boo"];
match ["baa"] {
["0x00"] => (),
["boo"] => (),
FOO => (), //~ ERROR unreachable pattern
_ => (),
}
}