From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- ...ue-47775-nested-macro-unnecessary-parens-arg.rs | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 src/test/ui/lint/issue-47775-nested-macro-unnecessary-parens-arg.rs (limited to 'src/test/ui/lint/issue-47775-nested-macro-unnecessary-parens-arg.rs') diff --git a/src/test/ui/lint/issue-47775-nested-macro-unnecessary-parens-arg.rs b/src/test/ui/lint/issue-47775-nested-macro-unnecessary-parens-arg.rs new file mode 100644 index 000000000..0a951cfa9 --- /dev/null +++ b/src/test/ui/lint/issue-47775-nested-macro-unnecessary-parens-arg.rs @@ -0,0 +1,27 @@ +// check-pass + +#![warn(unused_parens)] + +macro_rules! the_worship_the_heart_lifts_above { + ( @as_expr, $e:expr) => { $e }; + ( @generate_fn, $name:tt) => { + #[allow(dead_code)] fn the_moth_for_the_star<'a>() -> Option<&'a str> { + Some(the_worship_the_heart_lifts_above!( @as_expr, $name )) + } + }; + ( $name:ident ) => { the_worship_the_heart_lifts_above!( @generate_fn, (stringify!($name))); } + // ↑ Notably, this does 𝘯𝘰𝘵 warn: we're declining to lint unused parens in + // function/method arguments inside of nested macros because of situations + // like those reported in Issue #47775 +} + +macro_rules! and_the_heavens_reject_not { + () => { + #[allow(dead_code)] fn the_night_for_the_morrow() -> Option { Some((2)) } + } +} + +the_worship_the_heart_lifts_above!(rah); +and_the_heavens_reject_not!(); + +fn main() {} -- cgit v1.2.3