slice_patterns
The tracking issue for this feature is: #23121
See also
advanced_slice_patterns.
If you want to match against a slice or array, you can use & with the
slice_patterns feature:
#![feature(slice_patterns)] fn main() { let v = vec!["match_this", "1"]; match &v[..] { &["match_this", second] => println!("The second element is {}", second), _ => {}, } }