On Sat, 17 Oct 2009 13:28:51 -0500, Andrei Alexandrescu <seewebsiteforem...@erdani.org> wrote:
>Associative arrays are today quite problematic because they don't offer >any true iteration. Furthermore, the .keys and .values properties create >new arrays, which is wasteful. > >Another issue with associative arrays is that ++a[k] is hacked, which >reflects a grave language limitation. That needs to be replaced with a >true facility. > >Any other issues with AAs that you want to see fixed, and ideas guiding >a redesign? > > >Thanks, > >Andrei They should be true reference types. Now we have oddities like this: int[int] a; auto b = a; a[1] = 2; assert(b[1] == 2); // Range violation int[int] a; a[1] = 2; auto b = a; a[2] = 3; assert(b[2] == 3); // Ok