2023-04-19 21:09:27 -05:00
|
|
|
//@aux-build:macro_rules.rs
|
2019-03-14 00:59:30 -05:00
|
|
|
|
2023-06-03 18:07:36 -05:00
|
|
|
#![allow(clippy::needless_raw_string_hashes, dead_code, unused_variables)]
|
2019-03-14 00:59:30 -05:00
|
|
|
#![warn(clippy::string_lit_as_bytes)]
|
|
|
|
|
2023-04-19 21:09:27 -05:00
|
|
|
#[macro_use]
|
|
|
|
extern crate macro_rules;
|
|
|
|
|
2023-04-18 02:14:00 -05:00
|
|
|
macro_rules! b {
|
|
|
|
($b:literal) => {
|
2023-04-19 21:09:27 -05:00
|
|
|
const B: &[u8] = b"warning";
|
2023-04-18 10:16:10 -05:00
|
|
|
};
|
2023-04-18 02:14:00 -05:00
|
|
|
}
|
|
|
|
|
2019-03-14 00:59:30 -05:00
|
|
|
fn str_lit_as_bytes() {
|
|
|
|
let bs = b"hello there";
|
|
|
|
|
2019-03-10 05:06:19 -05:00
|
|
|
let bs = br###"raw string with 3# plus " ""###;
|
2019-03-14 00:59:30 -05:00
|
|
|
|
2021-03-23 19:10:27 -05:00
|
|
|
let bs = b"lit to string".to_vec();
|
|
|
|
let bs = b"lit to owned".to_vec();
|
|
|
|
|
2023-04-19 21:09:27 -05:00
|
|
|
b!("warning");
|
|
|
|
|
|
|
|
string_lit_as_bytes!("no warning");
|
2023-04-18 02:14:00 -05:00
|
|
|
|
2019-03-10 05:06:19 -05:00
|
|
|
// no warning, because these cannot be written as byte string literals:
|
2019-03-14 00:59:30 -05:00
|
|
|
let ubs = "☃".as_bytes();
|
2019-03-10 05:06:19 -05:00
|
|
|
let ubs = "hello there! this is a very long string".as_bytes();
|
2019-03-14 00:59:30 -05:00
|
|
|
|
2021-03-23 19:10:27 -05:00
|
|
|
let ubs = "☃".to_string().into_bytes();
|
|
|
|
let ubs = "this is also too long and shouldn't be fixed".to_string().into_bytes();
|
|
|
|
|
2019-03-14 00:59:30 -05:00
|
|
|
let strify = stringify!(foobar).as_bytes();
|
|
|
|
|
2020-06-01 02:58:42 -05:00
|
|
|
let current_version = env!("CARGO_PKG_VERSION").as_bytes();
|
|
|
|
|
2021-03-29 19:17:03 -05:00
|
|
|
let includestr = include_bytes!("string_lit_as_bytes.rs");
|
2019-11-11 16:42:12 -06:00
|
|
|
|
|
|
|
let _ = b"string with newline\t\n";
|
2022-12-01 11:17:38 -06:00
|
|
|
|
|
|
|
let _ = match "x".as_bytes() {
|
|
|
|
b"xx" => 0,
|
|
|
|
[b'x', ..] => 1,
|
|
|
|
_ => 2,
|
|
|
|
};
|
2019-03-14 00:59:30 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
fn main() {}
|