src/test/ui/borrowck/issue-54499-field-mutation-of-moved-out-with-mut.rs

// revisions: ast nll

// Since we are testing nll migration explicitly as a separate
// revision, don't worry about the --compare-mode=nll on this test.

// ignore-compare-mode-nll

//[ast]compile-flags: -Z borrowck=ast
//[nll]compile-flags: -Z borrowck=migrate -Z two-phase-borrows

#![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);
        //[nll]~^ ERROR assign to part of moved value
        t.1 = 2;
        println!("{:?} {:?}", t.0, t.1);
        //[ast]~^ ERROR use of moved value
        //[ast]~^^ ERROR use of moved value
    }

    {
        let mut u: Tpair = Tpair(S(0), 0);
        drop(u);
        u.0 = S(1);
        //[nll]~^ ERROR assign to part of moved value
        u.1 = 2;
        println!("{:?} {:?}", u.0, u.1);
        //[ast]~^ ERROR use of moved value
        //[ast]~^^ ERROR use of moved value
    }

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