Are there any default dmd optimizations

[Andrej Mitrovic]

On 2/26/13, Walter Bright <newshound2 at digitalmars.com> wrote:
> Sure, you can pick all day at the flaws of unittest, but you'd be missing
> the
> point - without builtin unittest, there'd be nothing to pick at, because
> people
> would not have unit tests.

Also you can implement your own unittest runner function and do some
cool customizations, e.g. selecting which unittests will or will not
be run, displaying success/failure information, etc.
(Runtime.moduleUnitTester is the cutomization point).