[swift-evolution] Ad hoc enums / options

[Haravikk]

> On 1 Jun 2016, at 12:35, Leonardo Pessoa <me at lmpessoa.com> wrote:
> 
> Unions have been discussed earlier in this group and I personally
> think this is an issue better solved using function overloading.

Sorry, my intention wasn’t to debate them, I was just using them as an example of a specialised ad-hoc enum where compatibility isn’t an issue (because a union of the same types means the same thing everywhere you use it, which isn’t the case for general ad-hoc enums).