The fancy tools can check your code as you write it and highlight problems inline so you don't have to switch context in order to fix them. This saves time in a

The fancy tools can check your code as you write it and highlight problems inline so you don't have to switch context in order to fix them. This saves time in any language, but static analysis with Rust is unusually powerful so tightening that feedback loop pays serious dividends (when it works). I'm not saying emacs and vim aren't really cool technologies. But why would a person who cares about optimizing keystrokes and crafting macros dismiss a tool that optimizes debugging and refactoring? I spend a heck of a lot more time staring at code than I do typing it, and if the reverse is true for you then you're some kind of savant and/or (more likely) you're writing too much code and reading too little of it.