Hi Bram [and all], On Tue, 28 Jun 2022 15:55:17 +0100 Bram Moolenaar <b...@moolenaar.net> wrote:
> Hello Vim users! > > Announcing: Vim (Vi IMproved) version 9.0 > > > This is a major release. The main new feature is the addition of Vim9 > script. Besides that a lot of bugs have been fixed, documentation was > updated, test coverage was improved, etc. > > Read the announcement online: https://www.vim.org/vim90.php > > Once you have installed Vim 9.0 you can find details about the changes > since Vim 9.0 with: > :help version9 > thanks, congrats and - good luck: * https://www.youtube.com/watch?v=t6Lo_aMW7zk * https://www.youtube.com/watch?v=6zDwWzk11oM * https://www.youtube.com/watch?v=tG-wl2qqD7Y with ♥, -- Shlomi > > Why Vim9 Script > --------------- > > A new script language, what is that needed for? Vim script has been > growing over time, while preserving backwards compatibility. That means > bad choices from the past often can't be changed and compatibility with > Vi restricts possible solutions. Execution is quite slow, each line is > parsed every time it is executed. > > The main goal of Vim9 script is to drastically improve performance. This > is accomplished by compiling commands into instructions that can be > efficiently executed. An increase in execution speed of 10 to 100 times > can be expected. > > A secondary goal is to avoid Vim-specific constructs and get closer to > commonly used programming languages, such as JavaScript, TypeScript and > Java. > > The performance improvements can only be achieved by not being 100% > backwards compatible. For example, making function arguments available > by creating an "a:" dictionary involves quite a lot of overhead. In a > Vim9 function this dictionary is not available. Other differences are > more subtle, such as how errors are handled. > > For those with a large collection of legacy scripts: Not to worry! They > will keep working as before. There are no plans to drop support for > legacy script. No drama like with the deprecation of Python 2. > -- Shlomi Fish https://www.shlomifish.org/ https://youtu.be/xZLwtc9x4yA - Anime in Real Life!! (Parody) Between truth and the search for truth, I opt for the second. — Bernard Berenson (Unsourced via fortune-mod) Please reply to list if it's a mailing list post - https://shlom.in/reply . -- -- You received this message from the "vim_use" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_use" group. To unsubscribe from this group and stop receiving emails from it, send an email to vim_use+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/vim_use/20220629065040.20709aca%40shlomifish.org.
