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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-7784.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-7784.rs b/src/test/ui/issues/issue-7784.rs new file mode 100644 index 000000000..b7323f09d --- /dev/null +++ b/src/test/ui/issues/issue-7784.rs @@ -0,0 +1,30 @@ +// run-pass + +use std::ops::Add; + +fn foo<T: Add<Output=T> + Clone>([x, y, z]: [T; 3]) -> (T, T, T) { + (x.clone(), x.clone() + y.clone(), x + y + z) +} +fn bar(a: &'static str, b: &'static str) -> [&'static str; 4] { + [a, b, b, a] +} + +fn main() { + assert_eq!(foo([1, 2, 3]), (1, 3, 6)); + + let [a, b, c, d] = bar("foo", "bar"); + assert_eq!(a, "foo"); + assert_eq!(b, "bar"); + assert_eq!(c, "bar"); + assert_eq!(d, "foo"); + + let [a, _, _, d] = bar("baz", "foo"); + assert_eq!(a, "baz"); + assert_eq!(d, "baz"); + + let out = bar("baz", "foo"); + let [a, xs @ .., d] = out; + assert_eq!(a, "baz"); + assert_eq!(xs, ["foo", "foo"]); + assert_eq!(d, "baz"); +} |