Re: auto ref function parameter causes that non copyable struct is copied?

[Stanislav Blinov via Digitalmars-d-learn]

On Monday, 8 November 2021 at 23:26:39 UTC, tchaloupka wrote:
```
auto gen() {
    Foo f;                   // <--- this one
    f.n = 42;
    return value(f.move());
}

void main() {
    Foo f;
    f = gen().unwrap.move;
}
```
~this(0)
~this(0)
~this(0)
~this(42) <- this is a copy (that shouldn't exist) being 
destroyed
~this(0)
~this(42)


Is it a copy? I think the first destructor call is one of `f` in 
`gen` (marked by the comment above)