3fc5bd7abc
Implement concat_bytes! This implements the unstable `concat_bytes!` macro, which has tracking issue #87555. It can be used like: ```rust #![feature(concat_bytes)] fn main() { assert_eq!(concat_bytes!(), &[]); assert_eq!(concat_bytes!(b'A', b"BC", [68, b'E', 70]), b"ABCDEF"); } ``` If strings or characters are used where byte strings or byte characters are required, it suggests adding a `b` prefix. If a number is used outside of an array it suggests arrayifying it. If a boolean is used it suggests replacing it with the numeric value of that number. Doubly nested arrays of bytes are disallowed. |
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Cargo.toml |