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deadimp wrote:
> What's a 'good' way to initialize an array of references to classes using a
> common base?
> I've tried this and it works:
>
> class Base
> {
> void func();
> }
> class GoodChild : Base
> {
> void func();
> }
> class BadChild : Base
> {
> void func();
> }
> //...
> auto list = [cast(Base)new GoodChild, new BadChild, ...];
>
> I had tried doing it without the initial cast, but ran into issues because D
> (DMD v1.033) would infer the type based off of the first element in the
> literal, and then assumed that all other elements would be the same.
I would replace the last line with:
Base[] list = [ new GoodChild, new BadChild, ...];
It's clearer, there's less typing and it won't suddenly fail if you
remove the first element and accidentally remove the cast at the
same time or if you add a new first element and forget to add the
cast...
Jerome
- --
+------------------------- Jerome M. BERGER ---------------------+
| mailto:[EMAIL PROTECTED] | ICQ: 238062172 |
| http://jeberger.free.fr/ | Jabber: [EMAIL PROTECTED] |
+---------------------------------+------------------------------+
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