On 19 November 2012 01:58, Manu <turkey...@gmail.com> wrote: > I'm sure that's true, I've just always used it to gain access to members > of embedded types, kinda of like abstraction for 'struct's. It hadn't > occurred to me to support explicit casting in that way.
**cough** IMPLICIT casting. On 18 November 2012 18:31, Andrei Alexandrescu < > seewebsiteforem...@erdani.org> wrote: > >> On 11/18/12 7:30 AM, Manu wrote: >> >>> On 18 November 2012 14:01, David Nadlinger <s...@klickverbot.at >>> >>> <mailto:s...@klickverbot.at>> wrote: >>> >>> On Sunday, 18 November 2012 at 11:21:37 UTC, Manu wrote: >>> >>> someFloat = someHalf <- doesn't work, because a cast operator >>> expects an >>> explicit cast, even though this is a lossless conversion and >>> should be >>> exactly the same as someDouble = someFloat. >>> >>> Thoughts? >>> >>> >>> --- >>> struct Half { >>> float toFloat() { return 3.14f; } >>> alias toFloat this; >>> } >>> >>> void test() { >>> Half h; >>> float f = h; >>> double d = h; >>> } >>> --- >>> >>> Works for you? >>> >>> >>> Interesting approach to the implicit cast problem. Very handy trick. >>> >> >> Well that was quite explicitly part of the purpose of alias this. >> >> Andrei > >
