Returning a reference to be manipulated

[Dennis]

On Saturday, 15 April 2023 at 14:33:52 UTC, kdevel wrote:
> Does that make sense?

Whether it makes sense is subjective, but it is by design. Escape 
analysis considers every  pointer the same, it doesn't care about 
the type / mutability of the pointer. In `@system` / `@trusted` 
code, you could coerce `i` to become a string and return it:

```D
string foo(string s, return ref int i)
{
    return (cast(immutable char*) &i)[0..4];
}
```