rust/tests/ui/borrowck/issue-54499-field-mutation-of-moved-out-with-mut.rs

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#![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 = (S(0), 0);
drop(t);
t.0 = S(1);
//~^ ERROR assign to part of moved value
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t.1 = 2;
println!("{:?} {:?}", t.0, t.1);
}
{
let mut u: Tpair = Tpair(S(0), 0);
drop(u);
u.0 = S(1);
//~^ ERROR assign to part of moved value
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u.1 = 2;
println!("{:?} {:?}", u.0, u.1);
}
{
let mut v: Spair = Spair { x: S(0), y: 0 };
drop(v);
v.x = S(1);
//~^ ERROR assign to part of moved value
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v.y = 2;
println!("{:?} {:?}", v.x, v.y);
}
}