[swift-evolution] [Proposal] Enum subsets
clattner at apple.com
Sat Jun 4 00:25:35 CDT 2016
> On Jun 3, 2016, at 2:35 PM, T.J. Usiyan via swift-evolution <swift-evolution at swift.org> wrote:
> Since this seems to have some interest, I've made a gist.
> https://gist.github.com/griotspeak/963bc87a0c244c120264b11fb022d78c <https://gist.github.com/griotspeak/963bc87a0c244c120264b11fb022d78c>
We have frequently discussed introducing subtype relationships between structs and enums, in an effort to allow limited implicit promotions (e.g. from small integers to wider integers). Wouldn’t that be a more general solution to this same problem?
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the swift-evolution