Read-only property without @property

[H. S. Teoh via Digitalmars-d]

On Fri, Sep 26, 2014 at 03:47:15PM -0400, Steven Schveighoffer via Digitalmars-d wrote:
> I wanted to bring this over from D.learn, because I've never seen this
> before, and it's an interesting solution to creating a property
> without much boilerplate.
> 
> So here it is:
> 
> class Foo
> {
>    union
>    {
>       private int _a; // accessible only in this module
>       public const int a; // accessible from anywhere, but read only
>    }
> }
[...]

Very clever use of union to mean "this variable has two interpretations:
a public, read-only one, and a private, read-write one". I like it!

Even ddocs for the const "aspect" of 'a' turn out exactly like a normal
member!

Does the compiler infer it as @safe, though?


T

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