std.json API broken without notice

[Andrej Mitrovic]

On 3/9/14, Vladimir Panteleev <vladimir at thecybershadow.net> wrote:
> I don't think it was an intentional change, rather a mundane
> regression. Could you post the affected code?

Breaking code wasn't intended.

On 3/9/14, Andrei Alexandrescu <SeeWebsiteForEmail at erdani.org> wrote:
> I wonder how we can improve the process to avoid such issues in the future.

The obvious answer is to have proper unittests. If the API broke, the
existing tests should have caught this. But the tests weren't touched
in the pull request, only new ones were added. What exactly broke
though?