dmd 2.063 beta 5

[Jacob Carlborg]

On 2013-05-24 02:01, Walter Bright wrote:

> Don has an excellent point. His case is bolstered by this causing Tango2
> to fail to compile with error messages that have no obvious relationship
> with this change.
>
> Worse, as Don points out, this can result in silent breakage. Not
> everyone writes code that is 100% tested, and shipping code that no
> longer works would make someone justifiably very upset.
>
> The -transition=field detects such cases, but the user will not
> necessarily know to run it.
>
> So, I agree with Don. As it is, this is unacceptable, despite my
> agreement that it does make the language better. Therefore, I propose
> the following addition of a warning:
>
> ------------------------------
>     const int q = 5;
>
> Warning: const field with initializer should be static or enum.
> ------------------------------
>
> Over time, this can be upgraded to a deprecation and then an error.
>
> After a suitably long period of time as an error, then we can allow it
> with the new behavior.

I like that idea. It doesn't suddenly breaking existing code. Gives a 
bit of transition time.

-- 
/Jacob Carlborg