When comparing Spacemacs vs IntelliJ Rust, the Slant community recommends IntelliJ Rust for most people. In the question“What are the best editors/IDEs for Rust?” IntelliJ Rust is ranked 2nd while Spacemacs is ranked 9th.
Ranked in these QuestionsQuestion Ranking
Pro Preconfigured emacs distro
Spacemacs is just a well-configured Emacs distribution with community-sourced best in class plugins and layers selected to take the setup pain out of Emacs. Evil mode gives the Vim bindings and modes for fast editing, while Helm makes everything discoverable to make learning to be more productive simple and unintrusive.
Pro VIM Keybindings with EMACS ecosystem
EMACS ecosystem and language support is best in show. The EMACS is a great IDE that was in search of a good text editor. Spacemacs makes EMACS have a good text editor.
Pro A fully featured IDE
Pro Constantly being updated
Pro Full power of IDEA engine
This plugin uses big part of Intellij IDEA features, including advanced code analysis and refactoring.
Pro Free/Libre (MIT)
Pro Many users
Has more users than the average plugin.
Con Emacs is slow
Emacs is single threaded which means that if you enable all the great features you might be used to from Vim, it will run noticeably slower which can be quite frustrating at times. There are efforts at a concurrent Emacs, but they don't seem to be going anywhere.
Con Debugger requires CLion
Debugger still won't work without IDE that includes native debugger support. The only known is proprietary and paid CLion.
Con From the website: "work-in-progress, expect bugs and missing features"
Con Does not parse macros correctly.
It seems that autocomplete does not for macros at all. You can say goodbye to the latest Tokio versions.