diff options
Diffstat (limited to 'tests/ui/span/macro-span-replacement.rs')
-rw-r--r-- | tests/ui/span/macro-span-replacement.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/span/macro-span-replacement.rs b/tests/ui/span/macro-span-replacement.rs new file mode 100644 index 000000000..66973c58d --- /dev/null +++ b/tests/ui/span/macro-span-replacement.rs @@ -0,0 +1,13 @@ +// check-pass + +#![warn(unused)] + +macro_rules! m { + ($a:tt $b:tt) => { + $b $a; //~ WARN struct `S` is never constructed + } +} + +fn main() { + m!(S struct); +} |