mirror of https://github.com/rust-lang/rust
29 lines
629 B
Rust
29 lines
629 B
Rust
//@ run-pass
|
|
// Regression test for Issue #22536: If a type implements Copy, then
|
|
// moving it must not zero the original memory.
|
|
|
|
|
|
trait Resources {
|
|
type Buffer: Copy;
|
|
fn foo(&self) {} //~ WARN method `foo` is never used
|
|
}
|
|
|
|
struct BufferHandle<R: Resources> {
|
|
raw: <R as Resources>::Buffer,
|
|
}
|
|
impl<R: Resources> Copy for BufferHandle<R> {}
|
|
impl<R: Resources> Clone for BufferHandle<R> {
|
|
fn clone(&self) -> BufferHandle<R> { *self }
|
|
}
|
|
|
|
enum Res {}
|
|
impl Resources for Res {
|
|
type Buffer = u32;
|
|
}
|
|
|
|
fn main() {
|
|
let b: BufferHandle<Res> = BufferHandle { raw: 1 };
|
|
let c = b;
|
|
assert_eq!(c.raw, b.raw)
|
|
}
|