| #![warn(unused)] |
| #[derive(Debug)] |
| struct S(i32); |
| |
| type Tuple = (S, i32); |
| struct Tpair(S, i32); |
| struct Spair { x: S, y: i32 } |
| |
| fn main() { |
| { |
| let mut t: Tuple; |
| t.0 = S(1); |
| //~^ ERROR assign to part of possibly-uninitialized variable: `t` [E0381] |
| t.1 = 2; |
| println!("{:?} {:?}", t.0, t.1); |
| } |
| |
| { |
| let mut u: Tpair; |
| u.0 = S(1); |
| //~^ ERROR assign to part of possibly-uninitialized variable: `u` [E0381] |
| u.1 = 2; |
| println!("{:?} {:?}", u.0, u.1); |
| } |
| |
| { |
| let mut v: Spair; |
| v.x = S(1); |
| //~^ ERROR assign to part of possibly-uninitialized variable: `v` [E0381] |
| v.y = 2; |
| println!("{:?} {:?}", v.x, v.y); |
| } |
| } |