D Language Gotchas

[Jacob Carlborg]

On 2013-11-05 12:16, Meta wrote:

> One gotcha relates to enums. Writing `enum a = [0, 1, 2]` is a really
> bad idea, because everywhere you use a, it constructs a new array at
> runtime. The [0, 1, 2] is "pasted in", and you'll have a bunch of
> allocations you didn't expect. This doesn't just happen with arrays, but
> that's the most common case. What *is* okay is using string enums, as
> strings are a bit special due to being immutable.

Isn't the problem rather that [0, 1, 2] allocates in the first place, 
regardless if an enum is used or not.

-- 
/Jacob Carlborg