There were a couple of comments and Reddit threads about this by Alexsey Kladov, one of the maintainer of the Rust plugin for IDEA: https://github.com/intellij

There were a couple of comments and Reddit threads about this by Alexsey Kladov, one of the maintainer of the Rust plugin for IDEA: https://github.com/intellij-rust/intellij-rust/issues/964#issuecomment-275494789 https://github.com/intellij-rust/intellij-rust/issues/964#is... https://www.reddit.com/r/rust/comments/5rhqj0/ide_compiler_has_very_different_requirements_and/ https://www.reddit.com/r/rust/comments/5rhqj0/ide_compiler_h... Basically, it's harder than one thinks. Interesting also to note that he believes that Dart's analysis-server design is a stronger and more complete one than the RLS-one in Typescript (he also gives reasons for this statement).