| //@ edition:2021 |
| // ignore-tidy-linelength |
| |
| #![warn(rust_2024_guarded_string_incompatible_syntax)] |
| |
| macro_rules! demo2 { |
| ( $a:tt $b:tt ) => { println!("two tokens") }; |
| } |
| |
| macro_rules! demo3 { |
| ( $a:tt $b:tt $c:tt ) => { println!("three tokens") }; |
| } |
| |
| macro_rules! demo4 { |
| ( $a:tt $b:tt $c:tt $d:tt ) => { println!("four tokens") }; |
| } |
| |
| macro_rules! demo5 { |
| ( $a:tt $b:tt $c:tt $d:tt $e:tt ) => { println!("five tokens") }; |
| } |
| |
| macro_rules! demo7 { |
| ( $a:tt $b:tt $c:tt $d:tt $e:tt $f:tt $g:tt ) => { println!("seven tokens") }; |
| } |
| |
| |
| fn main() { |
| demo3!(## "foo"); |
| //~^ WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| demo4!(### "foo"); |
| //~^ WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| //~| WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| demo4!(## "foo"#); |
| //~^ WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| demo7!(### "foo"###); |
| //~^ WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| //~| WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| //~| WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| //~| WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| |
| demo5!(###"foo"#); |
| //~^ WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| //~| WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| //~| WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| demo5!(#"foo"###); |
| //~^ WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| //~| WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| //~| WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| demo4!("foo"###); |
| //~^ WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| //~| WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| |
| // Non-ascii identifiers |
| demo2!(Ñ"foo"); |
| //~^ ERROR prefix `Ñ` is unknown |
| demo4!(Ñ#""#); |
| //~^ ERROR prefix `Ñ` is unknown |
| //~| WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| demo3!(🙃#""); |
| //~^ ERROR identifiers cannot contain emoji |
| //~| WARNING parsed as a guarded string in Rust 2024 [rust_2024_guarded_string_incompatible_syntax] |
| //~| WARNING hard error in Rust 2024 |
| } |
