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Commit | Line | Data |
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60c5eb7d | 1 | // check-pass |
2c00a5a8 XL |
2 | |
3 | #![warn(unused_parens)] | |
4 | ||
5 | macro_rules! the_worship_the_heart_lifts_above { | |
6 | ( @as_expr, $e:expr) => { $e }; | |
7 | ( @generate_fn, $name:tt) => { | |
8 | #[allow(dead_code)] fn the_moth_for_the_star<'a>() -> Option<&'a str> { | |
9 | Some(the_worship_the_heart_lifts_above!( @as_expr, $name )) | |
10 | } | |
11 | }; | |
12 | ( $name:ident ) => { the_worship_the_heart_lifts_above!( @generate_fn, (stringify!($name))); } | |
13 | // ↑ Notably, this does 𝘯𝘰𝘵 warn: we're declining to lint unused parens in | |
14 | // function/method arguments inside of nested macros because of situations | |
15 | // like those reported in Issue #47775 | |
16 | } | |
17 | ||
18 | macro_rules! and_the_heavens_reject_not { | |
19 | () => { | |
2c00a5a8 | 20 | #[allow(dead_code)] fn the_night_for_the_morrow() -> Option<isize> { Some((2)) } |
2c00a5a8 XL |
21 | } |
22 | } | |
23 | ||
24 | the_worship_the_heart_lifts_above!(rah); | |
25 | and_the_heavens_reject_not!(); | |
26 | ||
27 | fn main() {} |