| // run-pass |
| #![allow(unused_variables)] |
| // Regression test for Issue #20343. |
| |
| // pretty-expanded FIXME #23616 |
| |
| #![deny(dead_code)] |
| |
| struct B { b: u32 } |
| struct C; |
| struct D; |
| |
| trait T<A> { fn dummy(&self, a: A) { } } |
| impl<A> T<A> for () {} |
| |
| impl B { |
| // test for unused code in arguments |
| fn foo(B { b }: B) -> u32 { b } |
| |
| // test for unused code in return type |
| fn bar() -> C { unsafe { ::std::mem::transmute(()) } } |
| |
| // test for unused code in generics |
| fn baz<A: T<D>>() {} |
| } |
| |
| pub fn main() { |
| let b = B { b: 3 }; |
| B::foo(b); |
| B::bar(); |
| B::baz::<()>(); |
| } |
