mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-29 18:23:49 +00:00
43 lines
1.3 KiB
Rust
43 lines
1.3 KiB
Rust
#![warn(unused)]
|
|
#[derive(Debug)]
|
|
struct S(i32);
|
|
|
|
type Tuple = (S, i32);
|
|
struct Tpair(S, i32);
|
|
struct Spair { x: S, y: i32 }
|
|
|
|
fn main() {
|
|
{
|
|
let t: Tuple = (S(0), 0);
|
|
drop(t);
|
|
t.0 = S(1);
|
|
//~^ ERROR assign to part of moved value: `t` [E0382]
|
|
//~| ERROR cannot assign to `t.0`, as `t` is not declared as mutable [E0594]
|
|
t.1 = 2;
|
|
//~^ ERROR cannot assign to `t.1`, as `t` is not declared as mutable [E0594]
|
|
println!("{:?} {:?}", t.0, t.1);
|
|
}
|
|
|
|
{
|
|
let u: Tpair = Tpair(S(0), 0);
|
|
drop(u);
|
|
u.0 = S(1);
|
|
//~^ ERROR assign to part of moved value: `u` [E0382]
|
|
//~| ERROR cannot assign to `u.0`, as `u` is not declared as mutable [E0594]
|
|
u.1 = 2;
|
|
//~^ ERROR cannot assign to `u.1`, as `u` is not declared as mutable [E0594]
|
|
println!("{:?} {:?}", u.0, u.1);
|
|
}
|
|
|
|
{
|
|
let v: Spair = Spair { x: S(0), y: 0 };
|
|
drop(v);
|
|
v.x = S(1);
|
|
//~^ ERROR assign to part of moved value: `v` [E0382]
|
|
//~| ERROR cannot assign to `v.x`, as `v` is not declared as mutable [E0594]
|
|
v.y = 2;
|
|
//~^ ERROR cannot assign to `v.y`, as `v` is not declared as mutable [E0594]
|
|
println!("{:?} {:?}", v.x, v.y);
|
|
}
|
|
}
|