1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Regression test for Issue #20343.
19 trait T<A> { fn dummy(&self, a: A) { } }
20 impl<A> T<A> for () {}
23 // test for unused code in arguments
24 fn foo(B { b }: B) -> u32 { b }
26 // test for unused code in return type
27 fn bar() -> C { unsafe { ::std::mem::transmute(()) } }
29 // test for unused code in generics