//@run-rustfix //@aux-build:macro_rules.rs #![allow(dead_code, unused_variables)] #![warn(clippy::string_lit_as_bytes)] #[macro_use] extern crate macro_rules; macro_rules! b { ($b:literal) => { const B: &[u8] = b"warning"; }; } fn str_lit_as_bytes() { let bs = b"hello there"; let bs = br###"raw string with 3# plus " ""###; let bs = b"lit to string".to_vec(); let bs = b"lit to owned".to_vec(); b!("warning"); string_lit_as_bytes!("no warning"); // no warning, because these cannot be written as byte string literals: let ubs = "☃".as_bytes(); let ubs = "hello there! this is a very long string".as_bytes(); let ubs = "☃".to_string().into_bytes(); let ubs = "this is also too long and shouldn't be fixed".to_string().into_bytes(); let strify = stringify!(foobar).as_bytes(); let current_version = env!("CARGO_PKG_VERSION").as_bytes(); let includestr = include_bytes!("string_lit_as_bytes.rs"); let _ = b"string with newline\t\n"; let _ = match "x".as_bytes() { b"xx" => 0, [b'x', ..] => 1, _ => 2, }; } fn main() {}