diff options
Diffstat (limited to 'src/test/compile-fail/variance-unused-region-param.rs')
| -rw-r--r-- | src/test/compile-fail/variance-unused-region-param.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/compile-fail/variance-unused-region-param.rs b/src/test/compile-fail/variance-unused-region-param.rs new file mode 100644 index 00000000000..5f504226370 --- /dev/null +++ b/src/test/compile-fail/variance-unused-region-param.rs @@ -0,0 +1,17 @@ +// Copyright 2012 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// 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); } //~ ERROR parameter `'a` is never used + +fn main() {} |
