diff options
Diffstat (limited to 'src/test/ui/single-use-lifetime/zero-uses-in-impl.rs')
-rw-r--r-- | src/test/ui/single-use-lifetime/zero-uses-in-impl.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/single-use-lifetime/zero-uses-in-impl.rs b/src/test/ui/single-use-lifetime/zero-uses-in-impl.rs new file mode 100644 index 000000000..54803e1d2 --- /dev/null +++ b/src/test/ui/single-use-lifetime/zero-uses-in-impl.rs @@ -0,0 +1,10 @@ +// Test that we DO warn when lifetime name is not used at all. + +#![deny(unused_lifetimes)] +#![allow(dead_code, unused_variables)] + +struct Foo {} + +impl<'a> Foo {} //~ ERROR `'a` never used + +fn main() {} |