diff options
Diffstat (limited to 'tests/ui/unsized-locals/unsized-locals-using-unsized-fn-params.rs')
-rw-r--r-- | tests/ui/unsized-locals/unsized-locals-using-unsized-fn-params.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/unsized-locals/unsized-locals-using-unsized-fn-params.rs b/tests/ui/unsized-locals/unsized-locals-using-unsized-fn-params.rs new file mode 100644 index 000000000..15263954c --- /dev/null +++ b/tests/ui/unsized-locals/unsized-locals-using-unsized-fn-params.rs @@ -0,0 +1,15 @@ +#![feature(box_patterns)] +#![feature(unsized_fn_params)] + +#[allow(dead_code)] +fn f1(box box _b: Box<Box<[u8]>>) {} +//~^ ERROR: the size for values of type `[u8]` cannot be known at compilation time [E0277] + +fn f2((_x, _y): (i32, [i32])) {} +//~^ ERROR: the size for values of type `[i32]` cannot be known at compilation time [E0277] + +fn main() { + let foo: Box<[u8]> = Box::new(*b"foo"); + let _foo: [u8] = *foo; + //~^ ERROR: the size for values of type `[u8]` cannot be known at compilation time [E0277] +} |