I like this 2014年3月2日 上午4:07于 "Niko Matsakis" <n...@alum.mit.edu>写道：
> On Fri, Feb 28, 2014 at 11:23:23PM -0800, Kevin Ballard wrote: > > I'm also slightly concerned that #[deriving(Data)] gives the > > impression that there's a trait Data, so maybe that should be > > lowercased as in #[deriving(data)], or even just > > #[deriving(builtin)], but this is a lesser concern and somewhat > > bike-sheddy. > > This is definitely bikeshedding, but that's important too. While we're > bikeshedding, I think we ought to rename the trait `Pod`, which > doesn't fit into our "verb" scheme: > > Freeze > Send > Share > Pod > > My first thought is to resurrect `Copy`, though of course it's very > similar to `Clone`. Anyway, let's assume for now we rename `Pod` to `Copy`. > > In that case, I think I would have the following "trait sets": > > data = Eq, Ord, Clone, Freeze, Hash, Share <-- Note: not Copy! > pod = data, Copy > > The idea is that almost all types (hashtables, etc) can use `data` (in > particular, `data` is applicable to types with `~` pointers). Very > simple types like `Point` can use `pod` (which is, after all, just > "plain old" data). > > > Niko > _______________________________________________ > Rust-dev mailing list > Rust-dev@mozilla.org > https://mail.mozilla.org/listinfo/rust-dev >
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