From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/macros/must-use-in-macro-55516.rs | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 tests/ui/macros/must-use-in-macro-55516.rs (limited to 'tests/ui/macros/must-use-in-macro-55516.rs') diff --git a/tests/ui/macros/must-use-in-macro-55516.rs b/tests/ui/macros/must-use-in-macro-55516.rs new file mode 100644 index 000000000..e7c346286 --- /dev/null +++ b/tests/ui/macros/must-use-in-macro-55516.rs @@ -0,0 +1,10 @@ +// check-pass +// compile-flags: -Wunused + +// make sure write!() can't hide its unused Result + +fn main() { + use std::fmt::Write; + let mut example = String::new(); + write!(&mut example, "{}", 42); //~WARN must be used +} -- cgit v1.2.3