rust/tests/ui/macros/concat-bytes.rs

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// run-pass
#![feature(concat_bytes)]
fn main() {
assert_eq!(concat_bytes!(), &[]);
assert_eq!(
concat_bytes!(b'A', b"BC", [68, b'E', 70], [b'G'; 1], [72; 2], [73u8; 3], [65; 0]),
b"ABCDEFGHHIII",
);
assert_eq!(
concat_bytes!(
concat_bytes!(b"AB", b"CD"),
concat_bytes!(b"EF", b"GH"),
),
b"ABCDEFGH",
);
}