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// edition:2021
// Ensure that diagnostics for mutability error (because the root variable
// isn't mutable) work with `capture_disjoint_fields` enabled.
fn mut_error_struct() {
let x = (10, 10);
let y = (x, 10);
let z = (y, 10);
let mut c = || {
z.0.0.0 = 20;
//~^ ERROR: cannot assign to `z.0.0.0`, as it is not declared as mutable
};
c();
}
fn mut_error_box() {
let x = (10, 10);
let bx = Box::new(x);
let mut c = || {
bx.0 = 20;
//~^ ERROR: cannot assign to `*bx.0`, as it is not declared as mutable
};
c();
}
fn main() {
mut_error_struct();
mut_error_box();
}
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