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Diffstat (limited to 'tests/ui/variance/variance-unused-region-param.rs')
-rw-r--r-- | tests/ui/variance/variance-unused-region-param.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tests/ui/variance/variance-unused-region-param.rs b/tests/ui/variance/variance-unused-region-param.rs new file mode 100644 index 000000000..f0e4e03c9 --- /dev/null +++ b/tests/ui/variance/variance-unused-region-param.rs @@ -0,0 +1,7 @@ +// Test that we report an error for unused type parameters in types. + +struct SomeStruct<'a> { x: u32 } //~ ERROR parameter `'a` is never used +enum SomeEnum<'a> { Nothing } //~ ERROR parameter `'a` is never used +trait SomeTrait<'a> { fn foo(&self); } // OK on traits. + +fn main() {} |