version(assert)

[Alex Rønne Petersen]

On 02-09-2012 13:39, Peter Alexander wrote:
> The language spec says:
>
> "The compiler may optionally not evaluate assert expressions at all."
>
> In practice, this means that it depends on compiler flags. For DMD,
> assert expressions are ignored in -release.
>
> Sometimes, I want to do things only when asserts are being compiled, for
> example:
>
> version(release) {} else import std.format;
> assert(x == 0, format("x is %d, not 0", x));
>
>
> I have two problems with this:
>
> 1. It's ugly to use the version... else syntax.
> 2. It's tied to the fact that DMD doesn't compile asserts in release.
>
> What I would prefer:
>
> version(assert) import std.format;
>
>
> Of course, version(assert) is compiled when asserts are compiled.
>
> This makes the intent clear, and removes coupling with particular
> compiler options.
>
> Thoughts?

(Sorry, managed to reply directly via email with the previous message.)

Yes: https://github.com/D-Programming-Language/dmd/pull/1099

(If that's accepted, I'll send patches to GDC and LDC as well.)

-- 
Alex Rønne Petersen
alex at lycus.org
http://lycus.org