Walter Bright schrieb: > dsimcha wrote: >> Exactly my feelings, but I'll add that the time to make huge, sweeping >> changes >> like the ones we're seeing now is before the language becomes >> mainstream. Once >> the language has a large base of crufty production code that nobody still >> understands and can fix quickly and easily when the language changes, >> it becomes >> much harder to make these kinds of changes. > > Yes. > > The next D2 update will have one such change, which has been planned for > maybe the past year. All static and global variables will default to > being thread local (instead of being implicitly shared). Doing this is > disruptive, but is critical to credibly supporting multithreaded > programming. > > In testing this out, I've uncovered at least a dozen implicit sharing > bugs in Phobos. I think this change will have a big payoff for > multithreaded code.
can you allow "shared" or "__gshared" in D1 as do-nothing keywords? That will make it more easy to write code that compiles for D1 and D2. Or is there a trick to accomplish this?