diff options
Diffstat (limited to 'tests/ui/pattern/bindings-after-at/slice-patterns.rs')
-rw-r--r-- | tests/ui/pattern/bindings-after-at/slice-patterns.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/ui/pattern/bindings-after-at/slice-patterns.rs b/tests/ui/pattern/bindings-after-at/slice-patterns.rs new file mode 100644 index 000000000..4f4c96e45 --- /dev/null +++ b/tests/ui/pattern/bindings-after-at/slice-patterns.rs @@ -0,0 +1,39 @@ +// Test bindings-after-at with slice-patterns + +// run-pass + + +#[derive(Debug, PartialEq)] +enum MatchArm { + Arm(usize), + Wild, +} + +fn test(foo: &[i32]) -> MatchArm { + match foo { + [bar @ .., n] if n == &5 => { + for i in bar { + assert!(i < &5); + } + + MatchArm::Arm(0) + }, + bar @ [x0, .., xn] => { + assert_eq!(x0, &1); + assert_eq!(x0, &1); + assert_eq!(xn, &4); + assert_eq!(bar, &[1, 2, 3, 4]); + + MatchArm::Arm(1) + }, + _ => MatchArm::Wild, + } +} + +fn main() { + let foo = vec![1, 2, 3, 4, 5]; + + assert_eq!(test(&foo), MatchArm::Arm(0)); + assert_eq!(test(&foo[..4]), MatchArm::Arm(1)); + assert_eq!(test(&foo[0..1]), MatchArm::Wild); +} |