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