diff options
Diffstat (limited to 'tests/ui/feature-gates/feature-gate-concat_bytes.rs')
| -rw-r--r-- | tests/ui/feature-gates/feature-gate-concat_bytes.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/ui/feature-gates/feature-gate-concat_bytes.rs b/tests/ui/feature-gates/feature-gate-concat_bytes.rs new file mode 100644 index 000000000..07d63cb11 --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-concat_bytes.rs @@ -0,0 +1,4 @@ +fn main() { + let a = concat_bytes!(b'A', b"BC"); //~ ERROR use of unstable library feature 'concat_bytes' + assert_eq!(a, &[65, 66, 67]); +} |