[dmd-beta] dmd 2.063 beta 5

[Jacob Carlborg]

On May 23, 2013, at 09:13 PM, Steven Schveighoffer <schveiguy at yahoo.com> wrote:

> I think there's a misunderstanding here. The proposal is to cause an error UNLESS you add a switch to the compiler. In other words, you have to opt-in to get the new behavior.
>
> Doing nothing, just running your existing build command, you get an error. Then you have to either:
>
> a) fix all the locations, moving them to static (or realizing your code had a huge bug originally because you thought that was an actual member)
> b) if you plan on using the new feature, add the -enableNewFeature switch (name obviously TBD).
>
> The error message should be something like:
>
> Error: initializing a const instance member needs -enableNewFeature compiler switch, or must be changed to static.
 
That will still break existing code. Although you'll get a proper error message instead of a silent break.

--
/Jacob Carlborg
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