• Per =?UTF-8?B?Tm9yZGzDtnc=?= (9/9) Nov 01 2022 When is it preferrable to use
• Paul Backus (4/13) Nov 01 2022 If the `alias this` needs to work outside the module where `S` is

Per =?UTF-8?B?Tm9yZGzDtnc=?= <per.nordlow gmail.com> writes:

When is it preferrable to use

```d
struct S { private T t; alias t this; }
```

instead of

```d
struct S { public T t; alias t this; }
```

for any given type `T`?

Paul Backus <snarwin gmail.com> writes:

On Tuesday, 1 November 2022 at 23:01:57 UTC, Per Nordlöw wrote:
 When is it preferrable to use

 ```d
 struct S { private T t; alias t this; }
 ```

 instead of

 ```d
 struct S { public T t; alias t this; }
 ```

 for any given type `T`?

If the `alias this` needs to work outside the module where `S` is 
defined, you must make the member variable `public`. So in almost 
all cases, the second form is the correct one.