"Leandro Lucarella" <llu...@gmail.com> wrote in message news:20091204133103.gb27...@llucax.com.ar... > Daniel de Kok, el 4 de diciembre a las 09:38 me escribiste: >> On 2009-12-03 01:13:13 +0100, Jesse Phillips <jessekphillip...@gmail.com> >> said: >> >This has come up as one issue for adoption to D. D2.x is on its >> >way, unstable, and D1.x is getting the ax. While Walter has said >> >that the compiler will continue to get support, no one in the >> >community knows what the library support will be like. I came >> >across an article where even Python wasn't chosen for a project >> >because of the eminent release of Python 3. He also dismisses Ruby >> >and Clojure for other complaints people have expressed about D. >> > >> >-- >> >http://postabon.posterous.com/why-i-chose-common-lisp-over-python-ruby-and >> >> It's just one opinion. Others will use Python, because Guido van >> Rossum is not afraid to fix, change, and improve things, even in >> point releases. >> >> I'd rather see D follow the Python path in this respect after D2 is >> finished, than the C++ 'the world freezes' approach. At times, it is >> inconvenient, but it also keeps a language and its library vital. > > But Python is extremely careful not to break backwards compatibility from > one release to another. Breaking changes are usually introduced in > 2 steps. In the first release with the new feature, the feature is > optional and activated *only* explicitly through: > from __future__ import feature > > If a feature is removed, it's deprecated (issuing a warning) in the first > release. > > The second release with the change has the new/removed feature. That gives > people time to fix their programs and try the new feature without breaking > anything for several months (a minor Python version is released each ~9 > months aprox.). I certainly hope D2 doesn't follow the D1 path (before D2 > was forked), introducing new features each release without notice and > breaking backwards compatibility. >
If you're not ready for a breaking change, why not just stick with the older version until you're ready? Seems a lot simpler.