5 #[allow(unused_tuple_struct_fields)]
6 struct Trivial(u8, f32);
8 #[allow(unused_tuple_struct_fields)]
9 struct NonTrivial(u8, String);
11 const CONST_U8: bool = mem::needs_drop::<u8>();
12 const CONST_STRING: bool = mem::needs_drop::<String>();
13 const CONST_TRIVIAL: bool = mem::needs_drop::<Trivial>();
14 const CONST_NON_TRIVIAL: bool = mem::needs_drop::<NonTrivial>();
16 static STATIC_U8: bool = mem::needs_drop::<u8>();
17 static STATIC_STRING: bool = mem::needs_drop::<String>();
18 static STATIC_TRIVIAL: bool = mem::needs_drop::<Trivial>();
19 static STATIC_NON_TRIVIAL: bool = mem::needs_drop::<NonTrivial>();
23 assert!(CONST_STRING);
24 assert!(!CONST_TRIVIAL);
25 assert!(CONST_NON_TRIVIAL);
28 assert!(STATIC_STRING);
29 assert!(!STATIC_TRIVIAL);
30 assert!(STATIC_NON_TRIVIAL);